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Chao chao!


— The common phrase of a Chao

The Chao (チャオ?) are creatures that appear in the Sonic the Hedgehog series. Their role in the games are to be raised by the player in mini-games, similar to many virtual pets. Chao are somewhat complex: they respond to stimuli, have moods, require food and can be loving or fearful. The word Chao is a pun on Chaos, a word commonly used in the Sonic series and which is why the word remains unchanged when plural. The Chao are the good friends of Cream the Rabbit and Tikal. The most prominent Chao character in the series is Cream's best friend Cheese.

Making their first appearance in Sonic Adventure for the Dreamcast (both in the plot and in a Chao-raising aspect of the game) and later in Sonic Adventure 2, Chao have recently come to be a large part of the Sonic the Hedgehog franchise. Chao-raising and the main Sonic games tie together in a number of ways; items which are encountered in the main game can be used to raise Chao, collected Rings can be used to buy things for them, and several unlockable features are related to Chao. During raising, Chao have statistics: Swimming, Flying, Running, Power and Stamina, as well as a number of other properties which are not quite as obvious. These statistics can be raised through proper raising, and will enable a Chao to do better in their competitions: Chao Race and Chao Karate. Chao Eggs other than those acquired in visiting a Chao Garden for the first time or mating are colored differently and reflect how the Chao will look. For example, a Gold Egg is solid gold in color and will hatch a solid Gold Chao. Ways of hatching them include snuggling the egg (the kindest way), throwing the egg at a wall (the Chao will obviously not like this) and of course, simply waiting for the egg to hatch on its own. When they hatch, they can be trained to have different attributes and emotional states. The Chao from Sonic Adventure 2, Sonic Adventure 2: Battle and Sonic Adventure DX: Director's Cut can also favor Dark and Hero sides as well as the default Neutral alignment which can lead to variations in visual evolution. Depending on the game, they take varying times to evolve.

Description

Anatomy

While there is not a defined appearance for Chao, most of them share various common features. Said to be cute,[1] they are small creatures, about the size of Wisps,[2] with gelatinous, pudding-like[3] bodies each. In general, Chao have round, waterdrop-like heads with large eyes but no noses, round torsos smaller than their heads, smooth feet with no legs, and arms with no visible hands. Neither their arms or feet have digits. They also have a short tail, small wings, and a floating dot above their heads. It has been noted that, when they grow up, Chao do not show many differences compared to younger Chao.[3]

Characteristics and culture

Various Chao at a Chao Garden, from Sonic Channel.

Chao behave closely like human infants, and possess delightful and pleasant mannerisms.[1] Due to their behavior, they get delighted when their owners pat or embrace them gently, or simply carry them around.[3][4] Conversely, Chao do not like to be attacked, specially with a Spin Attack-related move, thrown, or punished. They also enjoy fruit,[4] which is their favorite food.

Chao live in certain areas of Sonic's world, known as the Chao Gardens. These gardens are paradise for Chao,[3] and have a nice, clean and shallow pool for them and palm trees with the fruit they eat. Nevertheless, various Chao have demonstrated that they can live in other environments, as long as these have pools of fresh water,[1] such as Cheese, who lives with Cream the Rabbit and her family in her house.

When it comes to biology, all Chao are genderless. They also appear to be oviparous creatures, since they are born from special eggs known as Chao Eggs. Chao are capable of reproduction; when they are ready to mate, flowers will bloom around them. If two Chao with flowers encounter each other, they will make a little dance and generate a Chao Egg. Chao can also mate if they are given heart fruits.[3]

A Chao reincarnation chart, from CHAO Laboratory.

Chao can also grow into adults, though they do not change much in terms of body size.[3] When one "Chao year" has passed (roughly one to three hours), the Chao will create a cocoon and evolve into a more mature form. Like other living beings, Chao have a life span and will eventually die; however, if their owners take good care of them and befriended them, Chao will begin a process known as reincarnation, where they will either show a pink-colored cocoon and be reborn from an egg as a child. However, if their owners treat them harshly, Chao will show a gray cocoon and then disappear for good.[3]

Chao can also have their own alignment, which varies depending on their owners, the way they are treated, and the fruits they are given. By default, Chao are Neutral Chao, and change to either Hero or Dark Chao, each with they own characteristics. Nevertheless, all three types of Chao behave mostly the same. Hero Chao are created by feeding Neutral Chao enough Hero fruits, being owned by heroes that take care of them, or being treated harshly by owners that are evil. Conversely, Dark Chao are created by feeding Neutral Chao Dark fruits, being taken care of by villains, or being mistreated by heroes. Both Hero and Dark Chao can become Neutral Chao again by balancing contact with heroes and villains, or simply by not paying attention to them.

Besides the normal evolutions, a special Chao called a "Chaos Chao" can be created. This can be done once the selected Chao has transformed at least two times. During that third or higher cycle of its life, if it is happy enough, given at least one of each animal in the game, and all its stats are around equal, it will become a Chaos Chao. Besides looking different than a normal Chao, the Chaos Chao has an endless lifespan. There are three types of Chaos Chao: "Light Chaos", "Hero Chaos" and "Dark Chaos". To get a Hero Chaos or a Dark Chaos, the player should give them one animal from either the Hero or Dark characters respectively, and that all of their stats are around equal. Along with their apparent invincibility, Chaos Chao lack the ability to reproduce.

Powers and abilities

Chao are capable of flight; during an incident that culminated with the Mind Control Ray, Chao were able to fly at speeds that matched Sonic's, who can run at hypersonic speeds.[5] As shown during various incidents, some Chao are able to deal great damage to their targets. During Dodon Pa's Grand Prix, Chao have also demonstrated to be able to drive racing vehicles like the Chao Pod, and in other instances, they could drive mechs like the Chao Walker as well. However, they are said to be weak life forms;[3] as noted by Tikal, Chao are too vulnerable without the protection of a guardian.[6]

By giving a Chao other lifeforms such as Animals, they will absorb and learn some of the given beings' skills and traits. Besides a physical change to the Chao, this will also cause a vast change in behavior, abilities, and personality.[1] Similarly, Chaos Drives can be used to raise Chao's abilities. On a similar note, as demonstrated by Chaos, Chao can harness the power of at least the Master Emerald to gain deity-like abilities, though the effects of these on Chao are unknown.

Chao Gardens

Main article: Chao Garden

Sonic Adventure

In Sonic Adventure and Sonic Adventure DX: Director's Cut, there are three Chao Gardens available.

  • Station Square Garden - This garden is the simplest, with a small water pool. This is also where one accesses the Chao races. It is found by entering the hotel and using the left elevator. In DX, a Black Market is added.
  • Mystic Ruins Garden - This area is very large and complex, with stone relics and a small platform accessible by a wooden bridge, along with a waterfall. It is found by going behind Tails' Lab and taking the mining cart in the cave. In DX, the water is slightly more shallow and the bridge has been removed.
  • Egg Carrier Garden - An island surrounded by water. This one tends to have problems of animals leaving the game's boundaries and getting stuck. To find it, go inside the Egg Carrier and go to the door with the buttons in front. Step on the buttons in the "secret" password's order, which is "Eggman", and then go in the door and use the teleporter. In DX, the water is significantly more shallow.

Sonic Adventure 2

Dark and Hero Chao, from Sonic Adventure 2.

In Sonic Adventure 2 and Sonic Adventure 2: Battle, the Chao Gardens can be accessed in Chao World.

  • Neutral Garden - A peaceful looking Garden where the Chao Races take place in a cave called the Chao Stadium. This one is unlocked as soon as you get a Chao Key and finish the level you found it on. In Battle, there is also Chao Karate in the cave.
  • Hero Garden - Another peaceful Garden. To get this raise a Chao into a Hero Chao. It has a small castle your Chao can fly from, a fountain (that your Chao uses to swim in), and a few broken pillars. The music in the Hero Garden is different from the Chao Garden, with the same rhythm, but added sound effects to make it echo and sound comforting. Sometimes described as "Chao Heaven". In Battle, the bridge and river are missing, the pool is bigger but also more shallow, meaning Tails cannot drown in the garden.
  • Dark Garden - Not as serene as the others, it has some graves and a steel fence on some of the walls. It also has a tree with a cage hanging from it where you can put your Chao (it can, however, escape), a pool of "blood", and a small island on the other side of the "blood". The music presented in the Dark Garden is very demented version of the Neutral Garden music. There is also a mountainous region outside of the actual Dark Garden, with a mountain shaped in the face of a bat or demonic creature. A Dark Chao is needed to access it. Sometimes described as "Chao Hell". In Battle, the cave and mountain area are gone.

The Chao Gardens in the Sonic Adventure series have the ability to send Chao to an attached VMU (Visual Memory Unit) using the Transporter Machine (renamed to the Chao Transporter in Sonic Adventure 2). This results in the ability to play with the Chao away from the Dreamcast in a mini-games called Chao Adventure and Chao Adventure 2 respectively. The Chao walks on a path and is given a task. If done correctly, the player is rewarded with a fruit or seed which can be taken off the VMU and back onto Sonic Adventure 2 for planting. Seeds can be planted by a Chao with a watering can and a shovel, the latter which can be won in races in Sonic Adventure 2. In the Chao Adventure games, you can also attach two VMUs to breed Chao, check the stats of your Chao, and name them. In Chao Adventure, the Chao does not age like it does in gardens.

Sonic Advance/Sonic Advance 2/Sonic Pinball Party

Sonic Advance, Sonic Advance 2, and Sonic Pinball Party feature the Tiny Chao Garden, which is a small simple garden with a small pool that is universal to every game. There is a shop where fruit and toys can be bought for the Rings that the player has collected during gameplay, and some minigames. The Chao can be transferable between these games and Sonic Adventure DX and Sonic Adventure 2: Battle via a GameCube/GBA link cable and the Chao Machine.

Sonic Advance 3

Sonic Advance 3 has a Chao Playground, which unlike a Chao Garden, is not for raising Chao. Instead, it is an area where the hidden Chao that the player has found during gameplay are located. When all ten of the Chao in the zone are found, the player can look for keys that enable the Special Stage for that particular zone. If the Chaos Emerald is obtained for a Zone, then it will be seen floating in the Chao Playground of the Zone it was found in. The Chao Playground can be visited at any time via Factory Ring.

Sonic Chronicles: The Dark Brotherhood

In Sonic Chronicles: The Dark Brotherhood, there is a Chao Garden where all Chao that have been found can be viewed and equipped. All Chao (with the exception of Cheese) can be obtained by collecting Chao Eggs and waiting a while for them to hatch. However, as with Sonic Advance 3, the garden is only for storing Chao, not interacting with or raising them. Taken out of the garden, however, they bond with the character they are attached to, and power them up with various effects in battle. A character can only be bonded with one Chao at a time.

Players can trade Chao with each other via the Nintendo DS wireless communications feature which can enhance the battle effects of these Chao.

Other game appearances

Sonic Shuffle

A Chao is in Sonic Shuffle as a secret playable character, unlocked by collecting certain amounts of Knuckles' pictures in the Sonic Room.

Good Friend Chao!

The Japan-exclusive mobile game, Nakayoshi Chao! (なかよしチャオ!? lit. "Good Friend Chao!"), was released as part of the Sonic Cafe service. In this game, one can raise a Chao as a virtual pet, similarly to a Chao Garden.

Sonic Heroes

In Sonic Heroes, Chao appear in certain sections of odd numbered Bonus Challenge Special Stages where one Dark Chao and one Neutral Chao appear in a balloon and randomly toss a sphere or a mine for the player to collect or avoid respectively.

They are also featured in two of Team Chaotix missions; in Ocean Palace where they must collect one and in Lost Jungle where they must collect multiple Chao.

Shadow the Hedgehog

In Shadow the Hedgehog, there are several Chao wandering in Cryptic Castle. Shadow can attack the Chao to fill his Dark Gauge. Cheese can be attacked as well, but once touched is considered to be rescued.

Mario & Sonic series

Mario & Sonic at the Olympic Game

In the Wii version and Nintendo DS version of Mario & Sonic at the Olympic Games, neutral Chao, Hero Chao and Dark Chao serve as spectators during different events. Hot air balloons in the shape of Chao's heads also appear in the background of some of the events that occur outdoor. This includes the Archery and Single Sculls in the Wii version, and the Dream Long Jump and Archery events in the Nintendo DS version.

Mario & Sonic at the Olympic Winter Games

A Chao variant hosting Adventure Tours events, from Mario & Sonic at the Olympic Winter Games.

In the Wii version and Nintendo DS version of Mario & Sonic at the Olympic Winter Games, neutral Chao, Hero Chao and Dark Chao appear as a part of the audience during different events. Once again, Chao-shaped balloons also appear during various events.

When training for the Ski Cross event, to complete training, the player must race a Chao to the goal. In the Nintendo DS version however, the Chao appear with more significant roles. In Curling events in particular, a pair of Chao form a part of the player's team, with the Chao's colors depending on their team. Here, they sweep the path for the player's curling stone. In Adventure Tours, also in the Nintendo DS version of the game, all three main Chao types and their various forms appear as non-playable characters that are scattered across the various maps. Here, they are often found standing next to boards where they host events and set challenges for the player. Some Chao also appear on the unlockable photo for Adventure Tours mode that features the mode's non-playable characters.

Mario & Sonic at the London 2012 Olympic Games

In the Wii version and Nintendo 3DS version of Mario & Sonic at the London 2012 Olympic Games, neutral Chao, Hero Chao and Dark Chao appear as a part of the audience during the various events. In the Nintendo 3DS version in particular, the Chao-shaped hot air balloons make return appearances in certain events.

A neutral Chao sticker, from the Wii version of Mario & Sonic at the London 2012 Olympic Games.

In the Wii version of the game, a Chao makes an appearance on a free sticker that can be earned in London Party. Cheese also appears in the company of Cream, who serves as a host for London Party Mode. In some Bonus Games, the player also has to count the number of neutral Chao flying around on the screen.

A neutral Chao and Omochao, from the Nintendo 3DS version of Mario & Sonic at the London 2012 Olympic Games.

In the Nintendo 3DS version of the game, a Chao duo comprises one of the teams that the player competes against in events that require a pair of characters to be used. However, the Chao themselves never participate in these events. Also, in the game's story mode, shortly before the Olympic Games began, a neutral Chao and Omochao were attacked by an Egg Pawn and Flapper, only to be saved saved by Bowser Jr.. The Chao proceeded to thank Bowser Jr. before departing with Shadow and Silver. A Chao was also seen appearing at the opening ceremony for the Olympic Games. In addition, Cheese appeared alongside Cream during the subsequent Phantasmal Fog outbreak.

In the Nintendo 3DS version of the game, badges of a Chao, Hero Chao and Dark Chao can also be obtained from the badge machine.

Mario & Sonic at the Sochi 2014 Olympic Winter Games

In Mario & Sonic at the Sochi 2014 Olympic Winter Games, neutral Chao, Hero Chao and Dark Chao appear as a part of the audience during different events. Chao-shaped balloons are also once again seen in the background of various events. Chao also appear in certain events as referees and camera operators, such as the Ski Jumping Large Hill event.

Mario & Sonic at the Rio 2016 Olympic Games

Chao on Sonic's team during a Football event, from Mario & Sonic at the Rio 2016 Olympic Games.

In the Wii U version, Nintendo 3DS version, and arcade version of Mario & Sonic at the Rio 2016 Olympic Games, Chao serve as spectators during different events. However, only neutral Chao spectators appear in the Wii U and arcade version, while the Nintendo 3DS version features neutral Chao, Hero Chao and Dark Chao spectators. The Chao also appear in certain events as referees and camera operators, such as the Table Tennis and Rugby Sevens events in the Wii U version and the BMX and Table Tennis Plus events in the Nintendo 3DS version.

In the Wii U version of the game in particular, neutral Chao also make an appearance as a part of Sonic's float which occasionally appears on Copacabana Beach.

In the Nintendo 3DS version of the game, various forms of Chao appear as additional teammates for Sonic or the Mii in the Football and Football Plus events if the player's opponent is Mario.

Mario & Sonic at the Olympic Games Tokyo 2020

In the Nintendo Switch version and arcade version of Mario & Sonic at the Olympic Games Tokyo 2020, neutral Chao once again appear as audience members, this time watching the different 2020 events from the sidelines. The Chao-shaped balloons also once again make an appearance during different outdoor events.

In the Nintendo Switch version of the game's story mode, Chao appear as minor non-playable characters that the player can speak to by approaching them. The Chao, however, will only speak in their own language, which consist of multiple uses of the word "Chao". Cheese also once again appears alongside Cream as one of the supporting characters that appear during different events.

Sega All-Stars series

Sega Superstars

Sega Superstars Tennis

In Sega Superstars Tennis, lots of Chao sit on the sidelines of the Sonic the Hedgehog stage, the Green Hill Zone court. If the player manages to hit them with a tennis ball, they bounce up, flip upside down and then land on their feet.

Sonic & Sega All-Stars Racing

Sonic & All-Stars Racing Transformed

Sonic Rivals series

Sonic Rivals

Various Chao artwork appear as some of the 150 collectable cards found in Sonic Rivals.

Sonic Rivals 2

The Chao play an important role in Sonic Rivals 2. At the beginning of the story, the Chao have appeared to have gone missing and Sonic and Tails suspect that Eggman Nega (masquerading as Eggman himself) is behind the disappearance. Silver, along with Espio, in the meantime tries to hide every Chao he can find from Eggman Nega's sight because of the doctor's intentions with the small creatures: he plans to feed them to a powerful beast named the 'Ifrit' which grants it invincibility and to be unleashed into Sonic's world, conquering the world with it. Later, Eggman Nega reveals to Espio and Silver that he has acquired more than enough Chao kept in a secret room of a mysterious mansion. Despite of this, Sonic and Tails discovered the secret room before Eggman Nega does and escorted the Chao away to safety.

The Chao are featured in one of the Battle games of Sonic Rivals 2 called Capture the Chao where the player has to find a route to their rival's base and capture the Chao there before the rival does the same to the player but the player's original Chao must still remain at the base for it to be counted. In Free Mode, there are ten Chao deployed in each act of the six zones and the player have to find and collect them (similar to Sonic Advance 3) to unlock cards. If the player acquires a Chao Detector (which each is unlocked by unlocking a card) for a Zone, it can be used to find them easily in each zone.

Sonic Unleashed

In Sonic Unleashed, there is a day mission in Spagonia and a DLC Act in Shamar that both require Sonic to collect ten Neutral Chao to complete the act. Additionally, the shy traveling merchant Wentos has a Chao hand puppet who does most of the "speaking" for him.

Super Smash Bros. series

Super Smash Bros. Brawl

The Chao make cameos in the cross-over game, Super Smash Bros. Brawl, appearing as both a collectible Trophy and Sticker:

Trophy
ID Name Image Description Acquisition
NA PAL
246 541 Chao Chao Trophy cropped.png A type of creature that can absorb and learn skills and traits from other life-forms, adapting its shape as it does. This results in vast variations in appearance, behavior and personality, Chao are generally very cute, and their mannerisms are pleasant and relaxing. Chao gardens are a good place to find them, but they also inhabit areas with fresh water. Random
Sticker
Image Name Page ID Area of Effect Effect User
NA PAL
Brawl Sticker Chao (Sonic Adventure Director's Cut).png
Chao (Sonic Adventure Director's Cut) 276 690 N/A Flinch Resistance +49 Everyone

Super Smash Bros. for Nintendo 3DS and Wii U

In Super Smash Bros. for Nintendo 3DS and Wii U, the Chao appear as a trophy in both versions of the game:

Wii U Trophy
Name Picture Category Trophy Box Description Acquisition
NA PAL NA PAL
Chao ChaoTrophyWiiU.png Series Related 84: Dr. Eggman's Ambitions How can you resist the cute charm of these little guys? Don't you just want to hold them tight and protect them from the dangers of the world? Well, they'd like that too. Since ancient times, if they can't find a safe place to live, they find someone to look after them. Aren't these little guys the cutest? You just want to hold them tight and make sure nothing happens to them. Well, that's how they've survived since...forever - if they can't find somewhere predator-free, they'll find somebody to look after them. Just like Cheese did with his owner, Cream! Random
Nintendo 3DS Trophy
Name Picture Category Description Acquisition
NA PAL NA PAL
Chao ChaoTrophy3DS.png Series Related How can you resist the cute charm of these little guys? Don't you just want to hold them tight and protect them from the dangers of the world? Well, they'd like that too. Since ancient times, if they can't find a safe place to live, they find someone to look after them. Aren't these little guys the cutest? You just want to hold them tight and make sure nothing happens to them. Well, that's how they've survived since...forever - if they can't find somewhere predator-free, they'll find somebody to look after them. Just like Cheese did with his owner, Cream! Random

Super Smash Bros. Ultimate

In Super Smash Bros. Ultimate, a Neutral Chao appears as Primary Spirit with the following characteristics:

Image Stat statistics Spirit Battle
Base Max Enemy Fighter(s) Enemy Power Stage Battle conditions
Nuetral Chao Tails19950.png Power: 945
Attack: 529
Defense: 416
Power: 4,729
Attack: 2,648
Defense: 2,081
Squirtle (x4) 2,100 Windy Hill Zone Rule(s): Item: Food
  • The enemy becomes more powerful after eating
  • The enemy is easily distracted by items
Name Type Class Music Acquisition
Chao Shield ★ (Novice) "Escape from the City"
  • Battle via World of Light (The Light Realm)
  • Battle via Spirit Board
  • Purchase from the Vault Shop for 500G
No. Slots Ability
786 2 Can Be Enhanced at Lv. 99

Sonic Colors

In the Nintendo DS version of Sonic Colors, a mission in Tropical Resort shows Orbot and Cubot chasing a Chao that they think is an alien and Sonic has to rescue it.

Sonic Generations

In the console/PC version of Sonic Generations, there is a Challenge Act called Cream: Chao Hunt where Classic Sonic must collect enough Chao and beat Cream the Rabbit to the goal in Speed Highway. There is also a Challenge Act called Cream: Helping Hand where Modern Sonic must get through City Escape using rings provided to him by Chao.

Sonic Runners

In Sonic Runners, Chao appear as equipable Buddies.

Sonic Forces

In Sonic Forces, the Chao do not appear physically. However, one of the Costume backpacks the Avatar can wear is designed like a Chao.

Team Sonic Racing

A neutral, Dark, and Hero Chao, from Team Sonic Racing.

In Team Sonic Racing, a group of Chao consisting of a neutral Chao, Hero Chao, Dark Chao and Omochao appear as one of the playable characters (which are collectively referred to as "Chao"). In this game, they are members of Team Rose and Technique-Type characters. Their race car in this game is the Chao Pod. Neutral, Hero and Dark Chao also appear on the stands in the background of the race tracks, serving as the audience.

During the events of the game, Team Rose's Chao joined Amy and Big on a picnic before coming along with their team to join the Grand Prix organized by Dodon Pa. During the races, the Chao spectators would panic when they spotted Zavok, which alerted the other heroes to the red Zeti's presence. At the end of the game, the Chao helped take the non-flying members of Sonic's friends off the Final Fortress, which had begun to crash, in order to save them.

Sonic Racing

A group of Chao that consists of a neutral Chao, Hero Chao, Dark Chao and Omochao appear in Sonic Racing as unlockable playable characters with their Chao Pod. They become available by reaching League 4. Several Chao also appear as part of the crowd that watch the races.

Sonic Speed Simulator

In Sonic Speed Simulator, Chao appear as both non-playable characters and notable gameplay elements. In the latter case, the player can buy Chao from vending machines, earn them from gifts, or buy them directly from a limited time shop. Once obtained, they can be equipped to the playable character, whom the Chao will appear behind of in an semi-circle formations. The game offers several different Chao to choose from, each with different attributes. These include the classification of their rarity when obtained from vending machines, as well as the benefits they grant when equipped, which involving boosting the amount of Experience Points and Rings earned when Chaos Orbs or Rings are collected.

The player can equip the playable character with three of any Chao, although that limit can be increased to a maximum of five with the +2 Pet Slots gamepass. Also, while equipped to the playable character, the Chao will gain Experience Points to level up with whenever the player collects Chaos Orbs, touches Sky Rings, or buys Experience Points from vending machines. Leveling up a Chao will improve the benefits they grant. The maximum level for all Chao is 99. The Experience Points gained for Chao is also not affected by Rebirth multipliers or the effects of other Chao or Trails.

While the player can carry up to twenty Chao by default, they can expand their number of holding shots for Chao by purchasing additional slots with Robux. Additionally, the player can evolve a Chao by collecting five of the same type and pressing the "Evolve" button in the Chao inventory. Evolving a Chao will combine the base stats of all the Chao involved, but it also keeps the Experience Points and level of the specific Chao that was evolved.

The level one statistics for both base and evolved Chao at level one are as follows:

Rarity/Chao XP Rings
Base Evolved Base Evolved
Common +10 +50 +1 +5
Uncommon +15 +75 +1 +5
Rare +20 +100 +2 +10
Epic Regular +25 +125 +5 +25
Hill Top-exclusive/Dragon Fruit Chao/Lychee Chao/Strawberry Chao +60 +300 +8 +40
Legendary Mega Chao +30 +150 +10 +50
Dark Aquatic Chao +35 +175 +12 +60
Hill Top-exclusive +75 +375 +15 +75
Tundra Chao/Cherry Tea Chao +100 +500 +20 +100
Berry Chao +250 +1250 +50 +250
Lemon Lime Chao +350 +1750 +75 +375
Chaos +35 +175 +15 +75

Treatment

Chao are kept happy if they are pet, fed, and generally taken good care of. If a Chao is treated well by a character, it will skip towards that character and will nuzzle next to it sometimes. It will also happily come to you when you whistle, and when held, will fidget with glee. This means that your Chao loves the player's character and in the case of the nuzzling, is asking for attention. The Chao will also jump up and down and giggle happily at your presence.

Chao abuse is a somewhat strange and negative form of Chao raising, in which one hurts their Chao. This can be done in a manner of ways, such as starving a Chao, leaving it in the water when it cannot swim, or simply inflict physical harm upon it. Chao abuse usually decreases the lifespan of the Chao, and the Chao can possibly die when it comes time to transform.

Players generally abuse their Chao either because they enjoy it, or wish to "help" a Chao change alignment by abusing it with a character of the opposite side; for example, if a Chao is abused by a dark character such as Rouge, it will tend to favor the hero alignment characters, or, if it is abused by a hero character such as Tails, it will tend to favor the dark alignment characters. However, mistreatment is in no way necessary in order to change a Chao's alignment, as treating them kindly with a character of the desired alignment works just as well. Much more commonly a player will throw their Chao into walls to remove hats they wear, or even harm a chao simply by accident.

If a Chao is treated poorly by the character, it will usually stand and shiver in fear if the abusing character is close by, and when held, it will try to squirm out of the character's hands (this could also mean that the character has not fed the Chao for a while if it stops fidgeting with joy). If the Chao has been particularly abused, it might run away screaming from the abuser, run up to them and attack them (this has no effect on the character), or start crying.

In the original Sonic Adventure, Chao were very fragile to raise and would quickly die if a character attacks them over and over, but after the Hero/Dark aspect was introduced in Sonic Adventure 2, Chao no longer die right away but instead their personality changes and they end up hating the character that abused them (however, they will still eventually end up dying after becoming an adult).

Other Chao

  • Monochrome Chao are Chao that are a single color, which will not change, even if it is evolved or given Chaos Drives/Small Animals. They can be bought at the Black Market and come in colors pink, purple, red, orange, yellow, lime green, green, sky blue, blue, brown, black, gray, and white. There is also a monochrome normal, which is a normal colored Monochrome Chao that changes color depending on the main color of the alignment and type and can only be obtained through breeding.
  • Shiny Chao are shiny versions of Monochrome Chao that can also be bought at the Black Market for a higher price. If a Shiny Chao is bred with a Normal Chao, there is a chance of getting a Shiny Normal Chao, a shiny version of an ordinary Chao.
  • Jewel Chao are the Chao that can only be bought in the Tiny Chao Garden and the Black Market of Sonic Adventure 2 Black Market (Dreamcast version only). They are very similar to Shiny Chao except that they are metallic instead of shiny and almost look like jewels. Jewel Chao come in colors silver (white), gold (brown), ruby (pink), sapphire (blue), amethyst (purple), emerald (green), garnet (red), aquamarine (sky blue), peridot (lime green), topaz (yellow), and onyx (black). Two of them can also be obtained in the Adventure Fields of Sonic Adventure DX: Director's Cut.

In Sonic Adventure DX: Director's Cut, a gold Chao, a black Chao, and silver Chao can be obtained. The black Chao is a Monochrome Chao, the gold Chao is a Jewel Chao, and the silver Chao is a Jewel Chao as well.

  • Two-Tone Chao are unique Chao that can only be obtained by breeding a Monochrome Chao with a Normal Chao. They have a "main" color like Monochrome Chao, but also have a small blend of other colors. There is a Two-Tone version of every Monochrome Chao. It can be difficult to tell whether a Chao is Two-Tone or Monochrome, as there is sometimes little difference between the two. Normal Chao are also considered Two-Tone Chao as they are not a single color. If a Shiny Chao is bred with a Normal Chao, there is also a chance of getting a Shiny Two-Tone Chao. If the player wants a dark blue-and-black Shiny Two-Tone Chao, they need a dark blue Shiny Chao and a red-and-black Two-Tone Chao. The two need to mate. After which, the player should save the game and then go back and hatch it.

White Two-Tone Chao are unique in that they look exactly like Normal Chao when they are hatched, but depending on what they evolve into, they will look much different. For example, if a white Two-Tone Chao evolves into a Neutral Run Chao, instead of being light green, it will be white with blue streaks, pink limbs and a yellow stomach.

  • Invisible Chao are unique Chao whose bodies are invisible, except for their emotion-dot. They can be obtained by breeding a shiny yellow/gray/lime green monochrome Chao with a Jewel Chao.
  • Transparent Chao are Chao that have a see-through base color. They are obtained by breeding a Jewel Chao with any Shiny Chao. On the PC version of Sonic Adventure DX, they are always solid.
  • Presudo Chao are Chao that have a solid color with a tint. For example, a shiny jewel pink is a shiny two-tone white with a green tint. This one is nicknamed the "Mint" Chao. A shiny jewel brown looks exactly like a shiny two-tone white. A shiny jewel normal Chao will look exactly like a shiny version of the two-tone normal.
  • Character Chao are unique that greatly resemble three characters: Tails, Knuckles, and Amy. The Knuckles and Amy Chao are only available now through Action Replay, although they were officially released as part of events in Japan. The Tails Chao can be obtained via Phantasy Star Online or Action Replay. They are immortal, cannot breed, and are not affected by animal parts.

Although not official Character Chao, Neutral/Run/Run, Dark/Run/Run and Neutral/Fly/Fly Chao greatly resemble Sonic, Shadow and NiGHTS, respectively.

  • Chaos Chao are Chao that are immortal. These can be obtained by getting a Chao to go through two transformations, then giving it at least one of all 21 animals. When the Chao evolves, as long as its stats are balanced, it will become a Chaos Chao. If it evolves Neutral, it will be a Light Chaos. If it evolves Hero, it will be a Hero Chaos. If it evolves Dark, it will be a Dark Chaos.
  • Glitch Chao are glitched versions of the Silver Chao that only appear in the Dreamcast version of Sonic Adventure 2. These Chao have oversized polygons and misplaced features on their body. If the polygons are too large, the game crashes. See Sonic Adventure/Glitches and Sonic Adventure 2/Glitche for more information.
  • Hacked Chao are Chao only obtainable by means of cheating such as Action Replay or using Chao Editors. Generally this category is used to refer to Chao that only appear as Challenge Race opponents such as Omochao, Egg Chao, & small animals. The term can however apply to any Chao that has illegitimately high stats or is obtained by means of cheating. A Jewel Tails, Knuckles, or Amy Chao would be another good example of this category.
  • Bright Chao are unique versions of the Shiny Two-Tone Chao that are generated by some sort of quality error exclusive to the HD remake of Sonic Adventure 2. Hence their name, their appearance seems to be very bright. Other nicknames given are names such as "Neon Chao" or "Luminescent Chao". Bright Chao usually appear all white with little to no visible highlights. However, when the Bright Chao is a Dark Chao, you can start to see their colors and only their highlights appear bright.

Cameo appearances

A Chao in Space poster.

  • In Sonic Adventure, a poster found outside Casinopolis advertises a film called Chao in Space. This may be a reference to Lost in Space, and the poster resembles the posters for the movie Muppets from Space.
  • In Sonic Adventure 2, posters in the City Escape stage advertise Chao in Space 2, featuring a Hero and a Dark Chao. The poster mentions that it is "now on DVD". There is also a Planet of the Chaos poster similar to the front cover of the 2-disc Planet of the Apes.
    • Also in Sonic Adventure 2, a billboard with a Chao on it can be seen beside the road in the Kart Racing stages and mini-game. The billboard reads "Drive Safety!" instead of the correct "Drive Safely!"
    • In Sonic Adventure 2, a Neutral Chao is playable in the 2-player shooting mode. In the GameCube version, there's also a Dark Chao who replaces Big the Cat. Despite the addition of the Dark Chao Walker, there is no playable Hero Chao, oddly enough - the neutral Chao Walker still sides with the heroes.
  • In Sonic Adventure 2: Battle, a Chao is unlocked as Tails' extra kart in Kart Racing after all of Tails' Missions are completed.
  • In Sonic the Hedgehog (2006), a rusted Chao billboard can be seen being blown around by the tornado in Shadow's glider section of the Crisis City stage.
    • Also in Sonic the Hedgehog, the first rusted sign Silver uses as a platform in the first section of his Crisis City stage says "Chao Garden", though it is difficult to tell.
    • Additionally in that game, there are several rusted signs advertising Chao In Space III, though it is difficult to tell.
  • In Phantasy Star Universe there are rare monsters called "Jao" which looks like a more vicious version of a Chao. Chao and Omochao appear as types of Mags in the series as well. The Phantasy Star series was also created by Sonic Team.
  • In the game Billy Hatcher and the Giant Egg, a Chao appears as an Egg Animal for the first mission.
  • In Sonic & Sega All-Stars Racing, Chao are seen in the audience of the Seaside Hill tracks, and as seen as a trophy.
  • Mega Man Star Force (Leo, Pegasus or Dragon versions) features a character known as Mr. Hertz who sometimes appears on the wave roads; when you talk to him, the portrait of his face resembles a Chao head.
  • A monster called PuPu in the JRPG series Final Fantasy resembles a Chao, strangely.
  • In Sonic Generations, posters for posters for Chao in Space and Planet of the Chaos are present in Speed Highway and City Escape. This is similar to Sonic Adventure and Sonic Adventure 2, where similar posters could be found.
    • Also in Sonic Generations, you can see a Chao in Space III poster when Silver uses Meteor Smash.

In other media

Sonic X

Main article: Chao (Sonic X)

A colony of Chao, from "Little Chao Lost".

In the Sonic X anime series and its comic series published by Archie Comics, Chao are a species native to both Sonic's world and Earth. In this media, only Neutral Chao appear (the comic introduced Dark Chao as well) and there is no mention of their lifecycles or their trait-borrowing skills.

In the old days, the Knuckles Clan would injure some Chao during an attack, incurring the wrath of their guardian, Chaos. Generations later, several Chao would appear to make Chaos happy following its defeat at the hands of Super Sonic.

Archie Comics

Chao, from Sonic the Hedgehog #171.

In the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics, the Chao were a species native to Mobius and the offspring of Chaos. In this media, their lifecycles and ability to borrow the traits of those exposed to them are fully adapted into the comic's canon. After the cast encounter the Chao during the incident with Chaos, they slowly moved into New Mobotropolis.

After the storyline was rebooted following Worlds Collide, the Chao are now virtually identical to their game counterparts.

IDW Publishing

Main article: Chao (IDW)

Various forms of Chao, from Sonic the Hedgehog #36.

In the Sonic the Hedgehog comic series and its spin-offs published by IDW Publishing, the Chao are a species native to Sonic's world. In this media, their history is identical to their game counterparts', up until after the events of Sonic Forces.

Chao's of different appearances and affiliations appear in this continuity, depending on who they were raised by. Some of the inhabitants of Sonic's world have their own Chao and sometimes compete in Chao Races.

Chao In Space

Main article: Chao In Space

The Chao In Space animated short is based on the fictional in-universe Chao in Space films. It features a Neutral Chao dreaming about fighting a space battle, and contains many Chao-related references and Easter eggs.

Reception and impact

Chao and the Chao-raising system have received mixed to positive reviews. In a review of Sonic Adventure, GameSpot's Peter Bartholow stated that with "the Chao-breeding simulation and the minigames, Sonic offers much more beyond the completion of its story."[7] IGN stated that Sonic Adventure "more than has the extras department covered."[8] This enthusiasm was extended to IGN's reviews of Sonic Adventure 2,[9] Sonic Advance,[10] and Sonic Adventure DX: Director's Cut.[11] GameSpot's Shane Satterfield was critical of the Chao raising feature in Sonic Adventure 2: Battle, stating that "there's little in the way of interactivity" and that "the [C]hao training aspect using the Game Boy Advance is little more than a novelty."[12] However, GameSpy's Shane Bettenhausen praised the feature in the game, comparing Chao to Tamagotchi digital pets.[13] GameSpot's Frank Provo noted the appeal to "those people who might only enjoy pinball in passing" that Chao brought to Sonic Pinball Party.[14] 1UP.com's Chris Baker called the Chao feature in Sega Superstars "ultimately worthless... ...but some might find it amusing."[15] In a review of Sonic Chronicles: The Dark Brotherhood, GameSpot's Shiva Stella praised the level of strategy that the game's Chao system added.[16] Destructoid's Jim Sterling voiced a similar opinion, although saying that Chao had been "rubbish" in previous games.[17] In an official Sonic character poll by Sonic Team, the Chao were voted the sixth most popular characters in the series.[18]

A Chao keychain was released as part of a Sonic X character keychain series.[19] Between 27 July and 8 September 2002, Sega hosted events at Tokyo-based department stores to promote upcoming Sega video games. Attendees could download a "Chao Mini Garden" and exclusive Chao to their copies of Sonic Advance. Chao clothing clips, along with accessories based on other Sega characters, were available.[20]

Chao's notability extends beyond the Sonic series and related media; Mary Jane Irwin of IGN used "Chao program" to describe Pokémon Channel in her review of the game.[21]

Trivia

  • The Chao were voiced by Tomoko Sasaki in the periods of 1998-2001, 2004, and 2009–present. From 2003-2005, they were voiced by Ryō Hirohashi.

A Chao and Nightopian.

  • Chao bear many physical similarities to the Nightopian from the NiGHTS series, another series by Sonic Team. This may be due to the Chao system using an advanced version of the A-life system that was originally used in NiGHTS into Dreams....
  • In the cutscenes for Sonic Adventure, Chao had different models from those used in the Chao Garden. They had different shaped wings, similar to those of Hero Chao.
  • Through a secret mission in Phantasy Star Online Episode I & II, a game created by Sonic Team, it is possible to receive a "Tails Chao". This Chao resembles Tails to a great extent and cannot die or reproduce, much like a Light Chao.
  • On the Sonic Adventure 2 official soundtrack, Multi-Dimensional, there is an instrumental song with Chao singing (or rather making Chao noises) in the background. This song plays in Chao Kindergarten.
  • Sonic Adventure states that the Chao Gardens were created in protected environments. Ironically enough, it is possible to drown when playing as the character Tails in either water pool in the Egg Carrier or Mystic Ruins Chao Gardens. It is also possible to die by jumping off the cliff or throw a Chao off to make it disappear in the Mystic Ruins Garden. In Sonic Adventure DX, this was changed: if a character falls out of a garden by using other glitches, they will appear in the middle of the garden without dying.
    • Also, in Sonic Adventure 2, while playing as Tails in the Dark Garden, going to the deepest part of the pool near the cave is deep enough for Tails to be successfully submerged in the water, causing him to eventually drown in the water. Tails is the only character who can drown because he is shorter than everyone else.
  • It is possible to move a Chao from a Nintendo GameCube into a Game Boy Advance without a Sonic Advance game. This creates a temporary Tiny Chao Garden, and is useful for moving Chao between Sonic Adventure DX and Sonic Adventure 2: Battle. This garden also changes version depending on the game the Game Boy Advance downloaded it from.
  • In Sonic Adventure DX, a monitor in the Station Square Garden can bring up a hint menu. One of the hints is to watch the Chao's stamina bar, even though this stamina bar is from Sonic Adventure 2, and is not in either version of Sonic Adventure.

The pacifier's effect, from Sonic Adventure 2.

  • In the Sonic Adventure 2 Chao Garden, a pacifier was going to be an accessory for a Chao, but it was scrapped. The pacifier can still be used via cheats/hacking, but it makes the Chao's head disappear. The reason for this is likely because a separate model of both the Chao's head and pacifier was to be used in its place.

The unknown toy's behavior, from Sonic Adventure 2.

  • An unknown toy was meant for the Chao in the Sonic Adventure 2 Chao Garden, but it was scrapped. However, it can still be used through hacking or Fusion's Chao Editor. When the Chao uses the toy, it pulls out a stick with ink on one end and holds it for several seconds without moving, then the behavior stops.
  • Occasionally, a Chao will draw a picture of a Normal Chao on the ground. If a Chao is cared for frequently a lot, it may occasionally draw a picture of the playable character. Sometimes they draw a cake or pizza-like picture to show that they are hungry.
  • Despite Sonic Adventure stating that Chao do not like to be in crowded groups (no more than eight), at Cryptic Castle in Shadow the Hedgehog, there is a group of Chao vastly exceeding eight. Also, in Sonic Rivals 2, Silver states that Chao live in packs.
    • This may have been made to prevent the player from overcrowding their gardens, or having too many to raise. Another reason could be that only eight Chao can fit into a Garden due to memory. For example, if all three Chao Gardens were open in Sonic Adventure 2: Battle, and the Hero Garden was full. If a ninth Chao was brought in, a random Chao in the garden would be moved to one of the other two gardens.
  • In the Sonic Adventure series, Chao made baby noises, and in Sonic Heroes, they could even speak small sentences, such as Cheese saying "It's Chocola Chao." But now, the only thing Chao can say are their own names, in a Pokémon-esque manner.
  • In the original Sonic Adventure, E-102 Gamma can attack Chao by locking on to them and firing at them. In all other ports, Gamma cannot attack Chao.
  • While in a Chao Garden, if there is a Chao above you for whatever reason (in the cage in the Dark Garden or flying around), you can jump to hit the Chao, causing the same effect to happen if you were to throw, jump on, or attack the Chao.
  • During the development of Sonic Adventure, it was suggested Chao be called "Chicka Monkeys," so not to confuse players with Chaos.

Sonic Boom: Rise of Lyric concept art.

  • Chao were originally meant to appear in Sonic Boom: Rise of Lyric, where they would resemble small dragons.
  • Normal Chao have the Fly Type as their ability type.[22]
  • According to Takashi Iizuka, Chao need very clean and pure water to survive, which is why they are not seen in too many places.[23]
  • According to the Chao In Space short animation, Chao are seemingly capable of feats of incredible physical strength, as a sleepwalking Chao was able to punch Eggman in the face with enough force to send him flying.

References

  1. 1.0 1.1 1.2 1.3 Sora Ltd. (9 March 2008). Super Smash Bros. Brawl. Wii. Nintendo. Area/Level: Trophy Hoard. "Chao: A type of creature that can absorb and learn skills and traits from other life-forms, adapting its shape as it does. This results in vast variations in appearance, behavior and personality, Chao are generally very cute, and their mannerisms are pleasant and relaxing. Chao gardens are a good place to find them, but they also inhabit areas with fresh water."
  2. Team Sonic Racing Overdrive height reference.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Dr. CHAO's room. CHAO Laboratory. Sonic Team. Archived from the original on 25 June 2003. Retrieved on 27 February 2022.
  4. 4.0 4.1 Sonic Team (14 September 2004). Sonic Adventure DX: Director's Cut. PC. Sega. Area/Level: Station Square Garden. "Caring for Chao: Chao like to be petted and carried around.
    Chao do not like it when they are attacked by a spin attack or are punished.
    Chao like to be given fruits to eat."
  5. Sonic Adventure (Dreamcast) United States instruction booklet, pg. 18.
  6. Sonic Team (9 September 1999). Sonic Adventure. Dreamcast. Sega. Cutscene: Cutscene 5 (Gamma's story). "Tikal: Did you notice the presence guarding these children? He's a very loving and gentle creature. These little creatures are too vulnerable without it's protection. This protection allows them to continue singing in peace."
  7. Bartholow, Peter (31 December 1998). Sonic Adventure Review for Dreamcast. GameSpot. Archived from the original on 17 June 2012. Retrieved on 24 January 2010.
  8. Sonic Adventure Review. IGN (8 September 1999). Retrieved on 30 December 2009.
  9. Sonic Adventure 2 Review. IGN (22 June 2001). Retrieved on 30 December 2009.
  10. Harris, Craig (5 February 2002). Sonic Advance Review. IGN. Retrieved on 30 December 2009.
  11. Casamassina, Matt (20 June 2003). Sonic Adventure DX: Director's Cut Review. IGN. Retrieved on 30 December 2009.
  12. Satterfield, Shane (15 February 2002). Sonic Adventure 2 Battle Review for GameCube. GameSpot. Archived from the original on 6 November 2012. Retrieved on 30 December 2009.
  13. Reviews: Sonic Adventure 2: Battle (GCN). GameSpy. Archived from the original on 3 June 2011. Retrieved on 12 January 2010.
  14. Provo, Frank (25 June 2003). Sonic Pinball Party Review for Game Boy Advance. GameSpot. Archived from the original on 12 May 2011. Retrieved on 20 January 2010.
  15. Baker, Chris (16 November 2004). Sega Superstars Review from 1UP.com. 1UP.com. Archived from the original on 5 November 2012. Retrieved on 10 January 2010.
  16. Stella, Shiva (10 October 2008). Sonic Chronicles: The Dark Brotherhood Review for DS. GameSpot. Archived from the original on 20 October 2011. Retrieved on 19 January 2010.
  17. Sterling, Jim (29 September 2008). Destructoid review: Sonic Chronicles: The Dark Brotherhood. Destructoid. Retrieved on 2 February 2010.
  18. Sonic Channel (23 June 2006). Official Popularity Poll results (Japanese). Sega. Archived from the original on 4 October 2013.
  19. IGN Toy Test: Sonic Adventure Key Chain Figures. IGN (20 June 2000). Retrieved on 6 June 2014.
  20. Harris, Craig (23 July 2002). Download Sega GBA Games for Free. IGN. Retrieved on 22 January 2010.
  21. Irwin, Mary Jane (1 December 2003). Pokemon Channel: Watch TV thanks to your GameCube. IGN. Retrieved on 27 January 2014.
  22. Sonic Runners. Sega. Retrieved on 20 February 2015.
  23. Shea, Brian (23 June 2016). Sonic The Hedgehog Burning Questions Finally Answered. Game Informer. Retrieved on 24 June 2016.

External links

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