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Sonic News Network
Sonic News Network

Echidnas (ハリモグラ科 Harimogura-ka?) are creatures that appear in the Sonic the Hedgehog series. It is a race of anthropomorphic animals on earth that can be recognized by their reddish fur and dreadlock-like spikes.

Approximately 3,000 years ago, the echidnas thrived as a clan known as the Knuckles Clan in what would become the Mystic Ruins. After incurring the wrath of Chaos however, much of the Knuckles Clan was wiped out. Following the containment of Chaos in the Master Emerald, the echidnas of the Knuckles Clan took up residence on Angel Island and assumed the duty of guarding the Master Emerald.[1] Following that though, the echidnas seemingly entered terminal decline; in the present day, only one living descendant of the Knuckles Clan, and of the echidna race in its entirety, remains: Knuckles the Echidna.[2][3][4] While maintaining his duty, Knuckles has also participated in the ongoing conflicts outside of Angel Island, and has played a vital role in preventing many catastrophes.



Knuckles a present-day echidna, from Sonic Channel.

Echidnas are anthropomorphic animals with humanoid physiques and long spine-like quills referred to dreadlocks[2] that hang from around their heads. They are also shown to get no more than little over a meter tall when it comes to average height. Other features they all share include peach-skinned muzzles with black noses, wide eyes and tri-crooked tails. In addition, they have fur in various red hues, such as regular red, reddish-pink, dark red, and orange-peach.

Characteristics and culture

Approximately 3,000 years ago, the echidnas of the Knuckles Clan wore certain attires and body decorations. The men of the Knuckles Clan sported white, intricate tattoos all over their bodies, especially on their heads, torsos and arms. When it came to attire, the men wore gloves similar to those worn by Knuckles. The men were also the only members of their clan to possess spiky protrusions/knuckles on their gloves, along with open sandals and blue bracelets on their ankles. In addition, some of the men wore golden necklaces with blue jewels embedded in them. The male chieftains would wear gloves, sandals and bracelets like the the men as well, but with additional accessories, such as ornaments with feathers and more decorative bracelets.

Little is known about the common dress code for female echidnas. If Tikal can be used as a representative, it can be assumed that female echidnas wore many ornaments and clothes rich with details. Gold necklaces, pendants and other ornaments were a common part of Tikal's attire. Other pieces of attire Tikal wore included a tank top, a patterned skirt and white bandages wrapped around her lower legs and dreadlocks. Like the men though, she also wore blue bracelets and sandals. Unlike the males though, Tikal wore five-fingered gloves.

The shrine of Knuckles's race, from Sonic Adventure DX: Director's Cut.

The snake evidently held a prominent position in the culture of the echidnas from the Knuckles Clan, who incorporated sculptures of this animal's head into their architecture of the shrine of Knuckles's race and pillars, but not in everyday folks' homes. Many of the doors inside and out of the shrine in particular were in the shape of a fanged snake's mouth, and a mechanism in Lost World was designed like a moving stone snake. All of these designs were very detailed, as well as the eyes of the snake-doors and entrance to the Altar of Emerald itself. The Knuckles Clan also possessed lore and knowledge about the power of the Chaos Emeralds and Master Emerald, which best came in the form of an ancient mantra that has been passed down across generations.[5]

In terms of political organization, the echidnas of the Knuckles Clan was ruled by a chiefdom, with the ruler being determined by kindship and inherited between the ruling family's generations.[1] There was no democracy, and the chief had unlimited authority over their clan. Before the time of Pachacamac though, the Knuckles Clan was a moderate tribe of mere fighting ruffians.[1] After Pachacamac rose to chiefdom however, the Knuckles Clan was transformed into a powerful warring force of warriors and bandits[1] who came to literally worship Pachacamac.[6][6][7] However, the Knuckles Clan's era of prosperity under Pachacamac's rule made the clansmen arrogant,[7] eventually to the point that they forewent their old beliefs and sought to dominate the world with sacred powers for their own selfish reasons.[8] After their downfall at the hands of Chaos though, the Knuckles Clan was humbled and took up more righteous duties by safeguarding the Master Emerald so that the tragedy involving Chaos could never be repeated.[1]

Powers and abilities

The echidnas of the Knuckles Clan were an impressive warring force that could subjugate entire countries,[1] suggesting they possessed exceptionally high physical prowess and/or fighting skills. As demonstrated by Knuckles and Tikal, the echidnas are also able to glide through midair using their dreadlocks.[2] Similarly, they are also skilled climbers and burrowers, especially with the spikes on their knuckles. The echidnas might even possess superhuman skills, as shown by Knuckles, who possesses strength, speed, durability, reflexes and agility on a superhuman level, along with many other abilities, such as limited geokinesis, sensitivity to energy signatures like Chaos Emerald energy, and utilization of the Chaos Emeralds. However, those abilities might just be unique to Knuckles.



Approximately 3,000 years ago,[1] the Knuckles Clan of echindas lived in what would become Mystic Ruins. This village housed a great shrine in its center, and was located near the Altar of Emerald, which was occupied by Chaos, a Chao colony, and their sacret emeralds.

During that period, the Knuckles Clan was but one of several nations caught up in between the local warlords' rivalry.[1] Around that time, Grandma led the clan,[9] who was of a politically moderate faction and the mother of Pachacamac.[1] Under her leadership, the Knuckles Clan remained a small country of mere fighting ruffians.[1][9] Meanwhile, Pachacamac yearned to expand the Knuckles Clan's kingdom.[9] Regardless, Grandma's ways learned her the love of her granddaughter, Tikal, the daughter of Pachacamac.[9] and she taught Tikal her clan's legends surrounding the Chao, the Master Emerald and the Chaos Emeralds, including an old mantra.[5]

After Grandma died, Pachacamac took over the clan.[1][9] Under his leadership, Pachacamac transformed the Knuckles Clan into a powerful warring force[1] with which he launched successful attacks on the surrounding countries, stealing and killing along the way.[10] In no time at all, the Knuckles Clan suppressed their rival kingdoms and took control of everything within view.[1][6] The Knuckles Clan's warmongering led to an era of prosperity for their country.[9][11] However, this was not enough for the Knuckles Clan, who dreamt of controlling the world.[8] Pachacamac in particular in particular was far from satisfied.[1] Justifying that it was for the survival of his people,[10] Pachacamac sought to steal the Chaos Emeralds enshrined in the Altar of Emerald to further expand the echidnas' power.[1] However, all of the Knuckles Clan's attempts to steal the Chaos Emeralds were thwarted by a strange force.[1][11] As such, the Altar of Emerald remained the one area in the vicinity that Knuckles Clan could not take control of.[6]

Tikal trying in vain to change Pachacamac's mind, from Sonic Adventure DX: Director's Cut.

While the majority of the Knuckles Clan supported Pachacamac for the wealth and power he had given them,[6][7] the pacificist Tikal severely opposed her father's warmongering.[1][9][10] However, she could not change his mind.[1][10]

Eventually, Tikal came across the Chao at the Altar of Emerald, where she met Chaos. After the creature befriended Tikal, Chaos let her see the Master Emerald in its altar.[1] Soon after though, Pachacamac sought to invade the Altar of Emerald one more time and take the Chaos Emeralds.[1][12] Tikal warned Chaos of the coming attack, but could not convince Chaos and the Chao to leave their altar.[13]

The Knuckles Clan blocked by Tikal as they raid the Altar of Emerald, from Sonic Adventure DX: Director's Cut.

Despite Tikal's efforts for a peaceful resolution, Pachacamac soon launched a violent attack on the Altar of Emerald with his fellow echidnas from the Knuckles Clan. During their invasion however, Tikal and the native Chao stood in the clan's way. Pachacamac, however, ignored Tikal's pleas and had his men trample over Tikal and the Chao. This profound act of indiscrimination incurred the wrath of Chaos, corrupting it with anger. In retaliation, Chaos transformed into Perfect Chaos using the negative energy of the Chaos Emeralds and annihilated Pachacamac and his men. Chaos proceeded to go on a rampage, laying waste to the Knuckles Clan civilization and wiped out nearly the whole clan overnight. Before Chaos could destroy the rest of the world though, Tikal used her ancient prayer in conjunction with the Master Emerald to seal Chaos inside of the Master Emerald along with herself.[1]

Having taken a devastating blow from Chaos's attack, the surviving echidnas of the Knuckles Clan, now humbled by this incident, used the Master Emerald's power to suspend the Emeralds' altar area into the sky, creating Angel Island. There, the Knuckles Clan would live, bearing the duty of observing and protecting the Master Emerald, so that an incident with Chaos would never happen again. The clan also left murals and inscriptions in their destroyed temple to communicate this incident to future generations.[1]

Over the the next three millennia, the Knuckles Clan apparently upheld their vow to protect the Master Emerald. However, the Knuckles Clan seemingly entered terminal decline over the years, eventually leaving them with only one descendant left to guard the Master Emerald: Knuckles the Echidna.[3][4] However, Knuckles' own past was a mystery to him; he knew nothing of how he came to be, his ancestral roots, or even the details of the Master Emerald he was supposed to protect.[14][15] Despite this, he chose to remain on Angel Island and spent his life guarding the Master Emerald, never questioning it.[14][15]

Sonic the Hedgehog 3 & Knuckles

Knuckles meeting Sonic the Hedgehog for the first time, from Sonic the Hedgehog 3.

In Sonic the Hedgehog 3, Sonic & Knuckles and the lock-on game Sonic the Hedgehog 3 & Knuckles, Knuckles was guarding Angel Island and its content when the Death Egg crashed into the island. He soon after met Dr. Robotnik. Needing someone to keep Sonic the Hedgehog off his back while he rebuilt the Death Egg, Robotnik deceived Knuckles by telling him that Sonic was coming to steal the Master Emerald.[16][17] As such, when Sonic and Tails arrived, Knuckles would constantly interfere with their mission to destroy the Death Egg. Eventually, Knuckles fought Sonic in Hidden Palace Zone. Upon being defeated however, Knuckles realized Robotnik's deceit when he escaped with the Master Emerald to use it to power his Death Egg. As such, Knuckles helped Sonic and Tails along on their way to stop Robotnik, but was soon too tired to continue onward himself. Regardless, Sonic and Tails got the Master Emerald back to Knuckles. SOon after though, Knuckles went after a EggRobo, which led him to discover that the Master Emerald had been stolen by Mecha Sonic Mk. II. Defeating Mecha Sonic Mk. II, Knuckles got the Master Emerald back to Angel Island with aid from Sonic.

Sonic the Hedgehog Triple Trouble

Knuckles interrupting Sonic's adventure, from Sonic the Hedgehog Triple Trouble.

In Sonic the Hedgehog Triple Trouble, Knuckles was fooled by Dr. Robotnik into thinking that Sonic was out to conquer the world with the Chaos Emeralds.[18] Acting promptly, Knuckles found the five lost Chaos Emeralds first and hid them away in the Special Stages.[19] Afterward, Knuckles would repeatedly stand in Sonic and Tails' way during their latest adventure to defeat Robotnik, until he was prisoned by Robotnik himself. In the end though, he was freed by Sonic and Tails, and departed with them on good terms.

Sonic the Fighters

Knuckles fighting Tails during th tournament, from Sonic the Fighters.

In Sonic the Fighters, Knuckles took part in a fighting tournament to determine the one who got to destroy the Death Egg II. At the end, the victor destroyed the Death Egg II.

Sonic 3D Blast

Knuckles on Flicky Island, from Sonic 3D Blast.

In Sonic 3D Blast, Knuckles came with Sonic and Tails on a trip to Flicky Island.[20] There, he helped Sonic foil Dr. Robotnik's latest attempt to get the Chaos Emeralds.

Sonic Blast

Knuckles and Sonic joining forces, from Sonic Blast.

In Sonic Blast, Knuckles teamed up with Sonic to stop Dr. Robotnik's plans to launch his Silver Castle fortress. In the end, the two heroes ensured the destruction of the Silver Castle and secured the Chaos Emeralds that Robotnik needed.

Sonic R

Knuckles in the World Grand Prix, from Sonic R.

In Sonic R, Knuckles, upon learning that Sonic was taking part in the World Grand Prix, signed up for the competition as well to settle his score with Sonic. Although Knuckles and the other participants got strung along by Dr. Robotnik for a plan to locate the Chaos Emeralds, they nonetheless ensure that Robotnik did not get the Emeralds.[21]

Sonic Adventure

Knuckles meeting Chaos, from Sonic Adventure DX: Director's Cut.

In Sonic Adventure, its enhanced port Sonic Adventure DX: Director's Cut and its 2010 remaster, the Knuckles Clan's actions from 3,000 years ago came back to haunt the world when Dr. Eggman learned about Chaos from a stone tablet made by the Knuckles Clan that he found while excavating the Mystic Ruins.[1] Hoping to harness Chaos' power for his own needs, Eggman undid Tikal's sacrifice by releasing Chaos from the Master Emerald and seeking to restore it to full power with the Chaos Emeralds. However, Chaos' heart was still hollow from anger due to the Knuckles Clan's attack on its altar, and so went along with Eggman in hopes of regaining its full power and destroying the world as it intended.[1] Meanwhile, due to the Master Emerald's shattering, Knuckles went in search of its Emerald Shards, which had scattered far and wide, in order to restore the Master Emerald. After several trials and entanglements with Sonic and Dr. Eggman's conflict, Knuckles successfully repaired the Master Emerald.

Unbeknownst to everyone else, Tikal's soul was unexpectedly freed from the Master Emerald as well when Eggman released Chaos and sought to have Chaos resealed in the Master Emerald again. However, since she lacked a corporeal form to do this directly,[1] she instead appeared before Sonic's and his allies who were involved with Chaos or the Chaos Emeralds, assisting them and trying to make them do it on her behalf by showing them visions of the Knuckles Clan's past and their relation to Chaos, hoping that they would understand her intent.[1] In the end though, Chaos became Perfect Chaos and brought massive destruction upon Station Square in its rage. It was then that Tikal appeared before Sonic and opted to reseal Chaos again. However, Sonic refused, knowing that it would not undo the anger in Chaos' heart. After Knuckles and the others brought Sonic the Chaos Emeralds though, Sonic became Super Sonic. With this form, Sonic defeated Perfect Chaos and neutralized the anger in its heart, finally ending the threat that the Knuckles Clan's actions had brought upon the world. After that, Tikal left with Chaos for places unknown.

Sonic the Hedgehog Pocket Adventure

Knuckles with his Chaos Emerald, from Sonic the Hedgehog Pocket Adventure.

In Sonic the Hedgehog Pocket Adventure, Knuckles had a fight with Sonic until Dr. Eggman came by and stole his Chaos Emerald, prompting Knuckles to help Sonic pursue Eggman. Not long after, Knuckles got his Chaos Emerald back thanks to Sonic.

Sonic Shuffle

Knuckles heading into Maginaryworld, from Sonic Shuffle.

In Sonic Shuffle, Knuckles was brought into Maginaryworld with his friends to help restore the Precioustone and save Maginaryworld from Void. At the end of their quest, Knuckles and his allies not only got the Precioustone back together and defeated Void, but they also restored Maginaryworld's ruler, Illumina, from her fractured state.

Sonic Adventure 2

Knuckles fighting with Rouge over the Master Emerald, from Sonic Adventure 2: Battle.

In Sonic Adventure 2, its enhanced port Sonic Adventure 2: Battle and its 2012 remaster, Knuckles went after the Master Emerald when it got stolen by Rouge the Bat, only to be forced to shatter it to keep Dr. Eggman from getting away with it. While reassembling the Master Emerald, Knuckles would also help Sonic and his crew on their mission to stop Eggman from conquering the world with the Eclipse Cannon onboard the Space Colony ARK. When the ARK stood to collide with earth and destroy it due to the Chaos Emeralds however, Knuckles got to the ARK's core where he used the Master Emerald to shut down the Chaos Emeralds. Despite Knuckles' efforts though, the ARK was still on its collision course due to the Finalhazard, but Sonic and Shadow managed to save the day.

Sonic Advance series

Sonic Advance

Knuckles awaiting Sonic's return, from Sonic Advance.

In Sonic Advance, Knuckles teamed up with his friends to stop Dr. Eggman from building the Eggman Empire. After forcing Eggman to the moon, Knuckles would await Sonic's return from his showdown with Eggman on the moon, although Sonic would first return a few days later.

Sonic Advance 2

Knuckles trying to explain himself, from Sonic Advance 2.

In Sonic Advance 2, Knuckles got tricked by Dr. Eggman into helping the latter fight Sonic. After being defeated however, Knuckles teamed up with Sonic's squad to get payback at Eggman. Although Knuckles and his allies eventually destroyed Eggman's base, they were too late to stop Eggman from kidnapping Vanilla the Rabbit. Fortunately, Sonic got her back after beating Eggman.

Sonic Advance 3

In Sonic Advance 3, Knuckles got trapped in a pocket reality when Dr. Eggman spit the earth apart with Chaos Control. Meeting up with Sonic and Tails, Knuckles teamed up with them to restore the world with the Master Emerald. After accomplishing their mission and defeating Eggman, Knuckles resumed his duty at the Altar of Emerald.

Sonic Pinball Party

In Sonic Pinball Party, Knuckles enrolled himself in the Egg Cup Tournament, but was eliminated in the first round by Sonic. Afterward, Knuckles saw Sonic liberate the prisoners Dr. Eggman held captive in Casinopolis.

Sonic Heroes

Knuckles standing by Sonic, from Sonic Heroes.

In Sonic Heroes, Knuckles formed Team Sonic with Sonic and Tails in order to foil what seemed to be Dr. Eggman's next shot at world conquest. After stopping the Egg Fleet however, Knuckles and his allies discovered that they had been used by Neo Metal Sonic, who used their data to ultimately become Metal Overlord. Knuckles and his team however, used the Chaos Emeralds to achieve their Super States and defeat Metal Overlord. Afterward, Knuckles headed out on his next adventure with his team.

Sonic Battle

Knuckles meeting Emerl, from Sonic Battle.

In Sonic Battle, Knuckles got entangled in the affairs of Emerl, a robot that Dr. Eggman sought to use for world conquest. While helping raise Emerl into a free being, Knuckles would also train him for a while. When Eggman later revealed his endgame, Knuckles remained behind while Emerl dealt with Eggman. However, when Emerl went on a rampage and tried to destroy the earth, Sonic was forced to destroy Emerl.

Sonic Jump

Sonic Jump (2005)

In Sonic Jump, Knuckles had his Chaos Emerald stolen from him by Dr. Eggman, who sought to use it to power a Brainwash Beam. Teaming up with Sonic and Tails, Knuckles went after Eggman, whom Sonic ultimately managed to stop.

Sonic Jump (2012)

In Sonic Jump (2012), Knuckles discovered that Dr. Eggman was up to his old tricks by capturing Animals. However, Knuckles went after him and ultimately managed to foil Eggman's operations.

Shadow the Hedgehog

Knuckles in Glyphic Canyon, from Shadow the Hedgehog.

In Shadow the Hedgehog, Knuckles would aid his allies in their battles against the Black Arms and their invasion of earth. During Black Doom's endgame however, Knuckles was paralyzed by a nerve gas. Fortunately, Shadow proved immune to the gas and managed to destroy the Black Arms in the end.

Sonic Rush

Knuckles asking Cream to introduce him to Blaze, from Sonic Rush.

In Sonic Rush, Knuckles ran afoul with Blaze the Cat, and so spent a lot of time trying to find her to get some payback. After realizing that Blaze was here to help save the world from Dr. Eggman and Eggman Nega's latest scheme though, Knuckles came to support her during hers and Sonic's showdown with the Eggmen.

Sonic Riders series

Sonic Riders

Knuckles facing Storm, from Sonic Riders.

In Sonic Riders, while out looking for Chaos Emeralds, Knuckles and his team ran afoul with the Babylon Rogues, with Knuckles getting on the bad side of Storm the Albatross. Knuckles and his team subsequently participated in the EX World Grand Prix to unravel Dr. Eggman's latest scheme. When it was revealed that Eggman was using the competition to get access to Babylon Garden, Knuckles and his team went after Eggman and ultimately stopped him while also discovering the heritage of the Babylon Rogues, whom Knuckles and his team parted ways with, but with the promise of settling their feud later.

Sonic Riders: Zero Gravity

Knuckles translating some ancient scriptures, from Sonic Riders: Zero Gravity.

In Sonic Riders: Zero Gravity, Knuckles and his team would compete with the Babylon Rogues and Dr. Eggman's robots over ownership of the Arks of the Cosmos. Thanks to Knuckles' treasure hunting expertise, the heroes managed to locate where Eggman was keeping the Arks of the Cosmos and stopped the doctor from using them to take over the world. However, when the Arks of the Cosmos ended up creating a black hole, Knuckles and his allies teamed up with the Babylon Rogues to stop the crisis.

Sonic Free Riders

In Sonic Free Riders, Knuckles entered Dr. Eggman's latest Extreme Gear Grand Prix with his team in order to claim the champion title. However, Knuckles suspected that E-10000B was up to something. His suspicion was later proven accurate when Metal Sonic revealed himself as the one controlling E-00000B and had taken the data Eggman had gathered from the Grand Prix for himself. While Sonic managed to stop Metal Sonic, Knuckles and his team went home without anything to show for it.

Sonic the Hedgehog (2006)

Knuckles meeting Sonic and Tails in Soleanna, from Sonic the Hedgehog (2006).

In Sonic the Hedgehog (2006), Knuckles came to Soleanna where he would help Sonic foil Dr. Eggman's latest plan. However, when the deity Solaris returned to destroy time itself, Knuckles worked together with his allies to resurrect a deceased Sonic with the Chaos Emeralds. In return, Sonic, Shadow and Silver stopped Solaris and erased him from history, resulting in the events and memories of the adventure being erased and Knuckles to be returned to where he was prior to the events.

Sonic Rivals series

Sonic Rivals

In Sonic Rivals, the Master Emerald had disappeared, prompting Knuckles to go look for it. His search taking him to Onyx Island, Knuckles competed against old and new rivals as they pursued Eggman Nega for answers. Eventually learning that Eggman Nega had turned the Master Emerald into a card with a special camera, Knuckles ultimately teamed up with his rivals and stopped Eggman Nega while Knuckles reclaimed the Master Emerald.

Sonic Rivals 2

In Sonic Rivals 2, the Master Emerald had disappeared again. As Knuckles went looking for it, he wound up teaming up with Rouge. Together, the two of them searched for the Master Emerald and the Chaos Emeralds using an Emerald Detector while helping foil Eggman Nega's scheme to unleash the Ifrit along the way. At the end of this adventure, Knuckles found the Master Emerald inside the Emerald Detector. However, Rouge soon made off with it, prompting Knuckles to chase after her.

Sonic Storybook series

Sonic and the Secret Rings

In Sonic and the Secret Rings, the echidna Sinbad the Sailor (and Knuckles' dimensional counterpart from the world of the Arabian Nights) got captured by the Erazor Djinn. When Sonic and Shahra later came seeking his aid on how to defeat the Ifrit Golem, Sinbad got them to free him before he revealed that they would weaken the Ifrit Golem with the power of the Water Blue Ring. After the Erazor Djinn was defeated, Sinbad had more adventures with Sonic while the latter sought to return home.

Sonic and the Black Knight

In Sonic and the Black Knight, the echidna Sir Gawain (and Knuckles' dimensional counterpart from the World of Camelot) of the Knights of the Round Table was tasked by King Arthur to seek out and kill Sonic and Merlina. When he found Sonic however, he was defeated by Sonic, who kept him from committing suicide out of shame and took his Galatine. When Merlina later betrayed Sonic and began enacting a plan that would destroy their kingdom however, Gawain and his fellow knights teamed up with Sonic and helped him stop Merlina.

Sonic Colors

Knuckles in Starlight Carnival, from the Nintendo DS version of Sonic Colors.

In the Nintendo DS version of Sonic Colors, Knuckles got a letter from Dr. Eggman that lured him to Dr. Eggman's Incredible Interstellar Amusement Park. There, he crossed paths with Sonic and Tails, prompting him to square off with Sonic to cover up his blunder. Soon after though, he met Rouge, who revealed that she wrote the letter and lured him here, much to Knuckles' humiliation.

Sonic Generations

Knuckles after being restored, from the console/PC version of Sonic Generations.

In the console/PC version of Sonic Generations, Knuckles was at Sonic's birthday party until the Time Eater showed up and took him and the other guests to White Space, where they were turned into statues. Fortunately for Knuckles, he was eventually restored by Modern Sonic and Classic Sonic. Later, he provided vital support to the Sonics when they faced the Time Eater in a final showdown. After the Time Eater was destroyed, Knuckles and the others were returned home, where they would continue the party.

Sonic Lost World

Knuckles "welcoming" Sonic and Tails back, from the Wii U version of 'Sonic Lost World.

In the Wii U version, PC version and Nintendo 3DS version of Sonic Lost World, Knuckles would watch over some Animals with Amy while Sonic and Tails dealt with Dr. Eggman's operations on the Lost Hex.

Sonic Runners series

Sonic Runners

In Sonic Runners, Knuckles and the rest of Team Sonic would work together on several adventures as they foiled the various plans of Dr. Eggman and his henchmen.

Sonic Runners Adventure

In Sonic Runners Adventure, Knuckles tagged along on Sonic and Tails' hunt for Dr. Eggman when the scientist was stirring up trouble again. Knuckles himself personally saw to it that the Extractor Eggman had set up was shut down, after which the team ensured that Eggman's final preparations were laid to waste as well.

Sonic Forces

Knuckles and Silver see Pachacamac's village materialize in front of them, from Sonic Forces: Stress Test.

In Sonic Forces, Knuckles was on Angel Island when Silver showed up to warn him of something. No sooner though, Dr. Eggman would use the Phantom Ruby to create a physical illusion of Pachacamac's village and its echidna inhabitants on Angel Island. When the illusion later vanished, Knuckles was told by Silver that a catastrophe would soon hit. Knuckles thus headed down to earth with Silver to warn everyone and lead the resistance against it.[22]

Soon after, the War to Take Back the Planet began, with Knuckles himself assuming leadership over the Resistance opposing the Eggman Empire and its army, which held the world in an iron grip. Under his leadership, and with the aid of various allies, Knuckles and the Resistance were successful in liberating the world from the Eggman Empire's rule.

Team Sonic Racing

In Team Sonic Racing. Knuckles and his team took part in Dodon Pa's Grand Prix, during which they foiled Dr. Eggman's attempt to seize the Ultimate Energy Engine as his own.

Other game appearances

Sonic the Hedgehog (16-bit)

In the 2013 remaster of Sonic the Hedgehog (16-bit) and its ports, Knuckles serves as one of the playable characters.

Sonic the Hedgehog 2 (16-bit)

In the 2013 remaster of Sonic the Hedgehog 2 (16-bit) and its ports, Knuckles appears as a playable character.

Sonic Drift 2

In Sonic Drift 2, Knuckles makes an appearance as one of the playable characters in the game.

Knuckles' Chaotix

Knuckles and Espio watching Dr. Robotnik escape, from Knuckles' Chaotix.

In Knuckles' Chaotix, Knuckles went to investigate a new island that had suddenly appeared in the sea. [23] While there, he rescued Espio the Chameleon from Dr. Robotnik as he was being imprisoned in the Combi Catcher. With Robotnik being up to no good on the island, Knuckles would work together with Espio, Vector, Charmy, Heavy and Bomb to ruin Robotnik's operations on the island.

Mario & Sonic series

Mario & Sonic at the Olympic Games

In the Wii version and Nintendo DS version of Mario & Sonic at the Olympic Games, Knuckles appears as a playable character.

Mario & Sonic at the Olympic Winter Games

In the Wii version and Nintendo DS version of Mario & Sonic at the Olympic Winter Games, Knuckles makes a return as a playable character.

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, Knuckles once again appear as a playable character. Tikal also appears as a Mii costume.

Mario & Sonic at the Sochi 2014 Olympic Winter Games

In Mario & Sonic at the Sochi 2014 Olympic Winter Games, Knuckles returns once more as a playable character in the game. Tikal also makes a cameo as a Mii costume.

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, Knuckles is once again a playable character. Tikal also appears as a Mii costume set.

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, Knuckles returns to the series as playable character again.

Sega All-Stars series

Sega Superstars Tennis

In Sega Superstars Tennis, Knuckles appears as a cameo in the Green Hill court.

Sonic & Sega All-Stars Racing

In Sonic & Sega All-Stars Racing, Knuckles serves as one of the game's playable characters. The echidnas are also mentioned in his character profile.

Sonic & All-Stars Racing Transformed

In Sonic & All-Stars Racing Transformed, Knuckles appears as a playable character.

Super Smash Bros. series

Super Smash Bros. Brawl

in Super Smash Bros. Brawl, Knuckles makes a cameo appearance in the unlockable Green Hill Zone stage where he runs through the loop in the background. He also appears as a trophy and a sticker, while Tikal appears as only a sticker.

Super Smash Bros. for Nintendo 3DS and Wii U

in Super Smash Bros. for Nintendo 3DS, Knuckles appears in the unlockable Green Hill Zone stage where he runs through the loop in the background. Both the Wii U version and Nintendo 3DS version of the game also include a downloadable Knuckles costume exclusive to Mii Brawlers. In addition, Knuckles appears as a trophy in both versions of the game.

Super Smash Bros. Ultimate

In Super Smash Bros. Ultimate; Knuckles appears as an Assist Trophy. He is also once again available as a downloadable costume for Mii Brawler. In addition, Knuckles makes another appearance as a Primary Spirit.

Sonic Chronicles: The Dark Brotherhood

In Sonic Chronicles: The Dark Brotherhood, it is said that 4,000 years ago, the echidna race was split into two warring clans: the Knuckles Clan and the Nocturnus Clan. The Nocturnus Clan was more technologically advanced, possessing powerful combat robots named Gizoids. Desperate to defeat the Nocturnus Clan, Pachacamac ordered a raid on the Altar of Emerald in an attempt to gain the power of the Chaos Emeralds. However, the altar was also home to Chao, who were trampled in the raid. This caused Chaos, the Chao's guardian, to go berserk and eradicate much of the Knuckles Clan. Tikal, however, used her special prayer to plead the Master Emerald to stop Chaos. Subsequently, the Master Emerald sealed Tikal and Chaos inside itself, and its energy continued to expand into the surrounding area as well as much of the Knuckles Clan's territory, causing the landmass to rise into the sky, becoming Angel Island.

A troop of Nocturnus Clan echidna warriors, from Sonic Chronicles: The Dark Brotherhood.

The Nocturnus Clan were unable to take full advantage of the Knuckles Clan's weakness, however, as they soon mysteriously disappeared before completely colonizing the entire world, brought into the Twilight Cage apparently by a being known as Argus. Only Emerl, their most powerful Gizoid, was left behind. Inside the Twilight Cage, the Nocturnus Clan forced themselves to adapt and evolve in order to not only survive in their new home, but also conquer it. Meanwhile, the surviving Knuckles Clan echidnas on Angel Island vowed to guard the Master Emerald and keep it out of harm's way in order to ensure that Chaos would never be released.. Four thousand years later, Knuckles the Echidna becomes the last living descendant of the Knuckles Clan, protecting the Master Emerald with his life.

During the events of the game, the Nocturnus Clan had found a way to temporarily leave the Twilight Cage using Warp Belts. They then began a plan that would bring Angel Island to them using the Chaos Emerald so they could steal the Master Emerald from it and use its power to open a wormhole out of the Twilight Cage and get back to earth. Meanwhile, after discovering the identity of the Nocturnus Clan, Knuckles would struggle with how he had to fight his own kind after being the only echinda alive for his entire life.

When the Nocturnus Clan's leader, Imperator Ix, was on the cusp of stealing the Master Emerald, he revealed his intention to conquer the world upon his clan's return to earth. This prompted his lieutenant, Shade the Echidna, to speak against this, as she only wanted her people out of the Twilight Cage. In response, Ix tried to kill her, but she was saved by Knuckles. After Ix got away with the Master Emerald and opened his wormhole, Shade teamed up with Sonic, Knuckles and their team to stop's Ix's plans. With Shade's guidance, the heroes were able to make their through the Twilight Cage after heading in there themselves to stop Ix, fighting echidna soldiers from the Nocturnus Clan along the way. When Knuckles and Shade later stood face to face with Ix during their final showdown, Ix tried persuading Knuckles to join his clan. Knuckles refused however, opting to help his kind his own way. After Sonic had defeated Ix though, Ix began closing the wormhole out of the Twilight Cage, but the heroes made it out of there just in time.

Sonic Dash

In Sonic Dash, Knuckles appears as a playable character.

Sonic Jump Fever

In Sonic Dash, Knuckles makes another appearance as a playable character.

Sonic Forces: Speed Battle

In Sonic Forces: Speed Battle, both Knuckles and Tikal appear as playable characters.

Sonic Racing

In Sonic Racing, Knuckles appears as a playable character. The Knuckles Clan is also mentioned in his profile.

List of known echidnas

Classic Sonic's world

World of Camelot

World of the Arabian Nights

In other media


Sonic Underground

In Sonic Underground, two specimens of the echidna race are known to exist: Knuckles and his great-grandfather Athair. While the status of the rest of their species is unknown, it is implied by Knuckles that they are alive and well and living under his protection on the Floating Island.

Sonic x

Main article: Echidna (Sonic X)

The Knuckles Clan, from "A Chaotic Day".

In the anime series Sonic X, the echidnas existed on Sonic's world as a clan known as the Knuckles Clan. Led by Pachacamac, the clan hoped to seize the seven Chaos Emeralds from the Altar of Emerald in order to increase their power. However, standing in their was their pacifistic clan member Tikal. Despite her efforts to dissuade her clan from stealing the Emeralds, Pachacamac and his men went through with the raid anyway, only to incur the wrath of Chaos, who the Chaos Emeralds to destroy Pachacamac and his men and attack the rest of the Knuckles Clan until Tikal sealed it in the Master Emerald with her.

In the present day, Knuckles is the only living echidna remaining.

Sonic Boom

In the Sonic Boom series, the echidnas are a nearly extinct race, with its last remaining member in the present time being Knuckles.[24][25] However, alternate dimension versions of Knuckles also exist.

Books and comics

Sonic Adventures

In the Sonic Adventures comics, the echidnas are the descendants of Mobius' first race. A savage people, they have left cities in ruins on all continents. Currently, they reside in a magnificent city in a forbidden zone, and are led by Princess Alucion.

Archie Comics

Various historical echidnas, from Sonic the Hedgehog #183.

In the Sonic the Hedgehog comic book series and its spin-offs published by Archie Comics, the echidnas were one of the most technologically advanced race of mobians on Mobius. They established themselves as a civilized and advanced society centuries before the other species on the planet after the Xorda Attack on Earth. The echidnas were formally located in two primary locations: Echidnaopolis on Angel Island, and Albion in Eurish. Tragically, after the mass genocide committed by the Dingo Regime under Kage Von Stryker's rule, and the complete destruction of Albion by the Eggman Empire, only ten percent of the world's echidnas have been left. The vast majority subsequently disappeared from Mobius due to a vendetta pursued by the last mobian Tasmanian Devil, Thrash the Tasmanian Devil, leaving only a handful in other locations.

After the Super Genesis Wave rewrote history, the echidnas' history became virtually identical to their game counterparts'.

Sonic the Comics

Various members of the Echidna Empire, from Sonic the Comic #180. Art by Richard Elson.

In the Sonic the Comic comic series and its spin-offs published by Fleetway Editions, the ancient echidnas would establish a technologically advanced civilization known as the Echidna Empire 8,000 years in the past (hunting the Kohenyus to extinction in the process) based in Megopolis City. This would be lost when the alien Drakon Empire invaded, looting the echidnas' sacred emerald mines and using the emeralds within as a source for their unstable chaos energy, intending to manufacture thousands of Chaos Emeralds and conquer the galaxy with them. Only seven were created, at which point the echidnas under Pochacamac stole them; the Great War between the echidnas and Drakons broke out soon after.

In the present day, the echidnas have all disappeared and nobody knows what happened to them. The Floating Island is covered with crumbling ruins - Megopolis, a few Zones such as Sandopolis Zone, the ancient portals to the Special Zone and the Emerald Chamber, where the Chaos Emeralds reside. The main relics of this time are the Chaos Emeralds, the ancient Guardian Robots, and the ancient computer systems that control the path of the Floating Island, maintain its forcefield, and in times of real danger can fire energy blasts at enemies.

Knuckles is one of the only two living echidnas; originally, he lived as a warrior in the ancient past, fighting against the Drakons, but through means unknown he lives in the present as the guardian of the Chaos Emeralds and has no memory of his past or his lost people. The other surviving echidna is Dr. Zachary, an evil and aged cyborg misanthrope who wants to destroy the Floating Island and Mobius, but his origins are unclear.



Main article: Echidna (Paramount)

An echidna, from Sonic the Hedgehog (film).

In the Sonic the Hedgehog film series produced by Paramount Pictures and its spin-offs, the echidnas are a race of aliens from Mobius. In this media, a tribe of echidnas hunted down a young Sonic the Hedgehog. Sonic's protector, Longclaw, tried to fly Sonic to safety but was injured by an arrow shot at her by Pachacamac. While Sonic was sent away via a Ring portal, Longclaw stayed behind to face the echidna tribe. Since then, the only echidna remaining is Knuckles.


  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 "カオスエメラルド伝説" (in Japanese). ソニックアドベンチャー ナビゲーションガイド. SoftBank. 16 March 1999. pp. 156–158. ISBN 978-4797308624.
  2. 2.0 2.1 2.2 Sonic City. Archived from the original on 25 February 2008. Retrieved on 3 April 2008.
  3. 3.0 3.1 Sega, SEGA HARDlight (19 September 2019). Sonic Racing. IOS. Sega. Area/Level: Knuckles the Echidna: Driver info. "Last descendant of the Knuckles Clan and protector of the Master Emerald."
  4. 4.0 4.1 Sumo Digital (23 February 2010). Sonic & Sega All-Stars Racing. PlayStation 3. Sega. "Knuckles the Echidna's profile card: Knuckles the guardian of the Master Emerald, which gives Angel Island its power to float in the sky. He is the last of the Echidnas - the island's native people. His name comes from his powerful fists, which allow him to punch through rock and make him a skilled burrower and climber. He can also use his dreadlocks to glide for short distances.".
  5. 5.0 5.1 Sonic Team (9 September 1999). Sonic Adventure. Dreamcast. Sega. Area/Level: Mystic Ruins (Tails' story). "Tikal: The servers are the 7 Chaos Emeralds. Hello there, friend. How are you? / ... / Tikal: Huh? It's something my grandmother taught me. I never to forget it. It goes like this... 'The servers are the 7 Chaos. Chaos is power... Power enriched by the heart. The controller is the one that unifies the Chaos.' But I'm still not sure what it all means. But the number the same as the number of Emeralds there are."
  6. 6.0 6.1 6.2 6.3 6.4 Sonic Team (9 September 1999). Sonic Adventure. Dreamcast. Sega. Area/Level: Mystic Ruins (Knuckles' story). "Knuckles Clan tribesman: Our Chief is Pachacamac. He's awesome! He controls everything around here, except the altar..."
  7. 7.0 7.1 7.2 Sonic Team (9 September 1999). Sonic Adventure. Dreamcast. Sega. Area/Level: Mystic Ruins (Tails' story). "Knuckles Clan tribesman: Our Chief is Pachacamac. He's fearless. Brave. Bold. With him, we can never lose. We owe everything to Pachacamac."
  8. 8.0 8.1 Sonic Team (9 September 1999). Sonic Adventure. Dreamcast. Sega. Area/Level: Mystic Ruins (Knuckles' story). "Knuckles Clan tribesman: Scared power? No way. I don't believe it. We're going in to get those stones! Then we can rule the world!"
  9. 9.0 9.1 9.2 9.3 9.4 9.5 9.6 Sonic Team (9 September 1999). Sonic Adventure. Dreamcast. Sega. Area/Level: Mystic Ruins (Tails' story). "Knuckles Clan tribesman: The Chief's daughter loved her grandmother so much. The country was a lot smaller back when Grandma was alive. But the Chief wanted to expand his kingdom. After Grandma's death, he made his move... He did well. He quickly took over the surrounding areas. But his daughter didn't like what he'd done..."
  10. 10.0 10.1 10.2 10.3 Sonic Team (9 September 1999). Sonic Adventure. Dreamcast. Sega. Area/Level: Mystic Ruins (Knuckles' story). "Tikal: Father! Please don't! / Pachacamac: Tikal, the 7 Emeralds are essential to our survival. It is for the good of all our people. / Tikal: How can I make you understand? Attacking other countries, stealing and killing...can't be the right path to peace. No one has the right to take their holy grounds. I beg you father!"
  11. 11.0 11.1 Sonic Team (9 September 1999). Sonic Adventure. Dreamcast. Sega. Area/Level: Mystic Ruins (Amy's story). "Knuckles Clan tribesman: We made a lotta money with our power. But whenever we tried to get the Emeralds, some strange force always stopped us."
  12. Sonic Team (9 September 1999). Sonic Adventure. Dreamcast. Sega. Area/Level: Mystic Ruins (Gamma's story). "Tikal: Now my father is trying to take their sacred home."
  13. Sonic Team (9 September 1999). Sonic Adventure. Dreamcast. Sega. Area/Level: Mystic Ruins (Knuckles' story). "Tikal: I beg of you. Hear me now. My father is coming here soon. And I fear what may happen. You must take everyone away from here! Oh please! So, are you saying you can't leave this place? I understand... Let me talk to my father again! There must be a better way to do this. Don't worry, my friends. I won't let you down. I must do something... quickly."
  14. 14.0 14.1 Sonic Channel (Japanese). Characters: Knuckles. Sega. Archived from the original on 26 May 2019. Retrieved on 3 July 2015.
  15. 15.0 15.1 Sonic Team (9 September 1999). Sonic Adventure. Dreamcast. Sega. Area/Level: Opening sequence (Knuckles' story). "Knuckles: As far back as I can remember, I've been living here, on this dark island... Always guarding the Master Emerald from anything that can harm it. I don't know why I was given this job... Why it was my fate... Destined to be here...forever!"
  16. Sonic the Hedgehog 3 (Sega Mega Drive) Japanese instruction booklet, pgs. 4-6.
  17. Sonic the Hedgehog 3 (Sega Mega Drive) Japanese instruction booklet, pg. 34-36.
  18. Sonic the Hedgehog Triple Trouble (Sega Game Gear) Japanese instruction booklet, pg. 29.
  19. Sonic the Hedgehog Triple Trouble introduction sequence.
  20. Sonic 3D Blast (Sega Saturn) Japanese instruction booklet, pg. 4-6.
  21. Sonic R (Sega Saturn) Japanese instruction booklet, pg. 4-5.
  22. Sonic Forces: Stress Test, "Stress Test"
  23. Knuckles' Chaotix (Sega 32X) Japanese manual, pg. 4-5.
  24. Bill Freiberger on Twitter. Twitter (26 January 2017). Retrieved on 26 January 2017. "Bill Freiberger: 212: While battling Eggman, Knuckles suffers amnesia. When reminded that he’s the last of his kind, he sets out to find a foster family."
  25. Raut-Sieuzac, Natalys (28 January 2017). "Knuck Knuck! Who's Here?". Sonic Boom. Season 2. Episode 64. Boomerang.

External links

  • Echidna at Wikipedia, the free encyclopedia.