Sonic the Hedgehog (Sonic X)

"Goodnight! Have sweet dreams!"

- One of Sonic's many English phrases in the Japanese version

Sonic the Hedgehog is a blue, teenage, hedgehog and the main protagonist of the anime series Sonic X. Lightning fast on his feet, but super slow to lose his cool, Sonic is always revved up and ready for a run-in with his archenemy, Dr. Eggman. Sonic's fear of water is even more present in the series.

A Brand New World
Sonic hails from an unnamed world in a parallel dimension to Earth. His backstory is a mystery but it's known that he befriended Tails, Knuckles, Amy, Cream and Cheese and many small animals as well as battling Eggman. One day, he attempted to rescue his friends Cream the Rabbit and Cheese the Chao from Doctor Eggman, as well as foiling the doctor's latest plot to control the world with the power of the seven Chaos Emeralds. Unfortunately, an accident initiated Chaos Control, which transported Sonic, Eggman, all of Sonic's friends and all within a ten mile radius to Earth. On Earth, Sonic befriended Chris Thorndyke, who rescued him from drowning in a swimming pool and then allowed Sonic, Tails, Amy, Cream and Cheese to stay hidden with him in his house. He also forged a friendly rivalry with Chris' second uncle Sam Speed, a cop who chases criminals in a racecar. He is initially hidden in Chris' home and boggles the human race with his being, people think he's an alien or machine. While Sonic was mostly covert, Eggman made himself known as he tried to conquer the new world. Sonic eventually destroys Eggman's first base and is hailed as a hero along with all of his friends. Sonic destroys Eggman's second base by becoming Super Sonic by finally gathering all the Chaos Emeralds after Chris dropped them into the ocean, causing Chaos Control to bring some aspects of his world, like Angel Island to Earth.

Fighting for Earth
After the adaptations of, Sonic Adventure, Sonic Adventure 2, Sonic Heroes and Sonic Battle, it was discovered that Sonic's world and Earth were merging (possibly due to Sonic bringing parts of his world to Earth) which would lead to the stopping of time. The only way to save both planets was to return Sonic and his friends home. After everyone but Sonic had went through, Chris took him away, eventually to his parents old summer home. Chris tells Sonic how much he will miss him and how much of a friend the hedgehog was. Sonic gathers the Chaos Emeralds and after taking Chris for one final run, returns to his home universe.

Upon returning, Super Sonic easily destroys Eggman's latest battleship, saves Tails and then meets Amy, giving her a rose and telling her that he will never leave her. (In the Japanese and French versions, he tells her that he loves her)

Universal Roaming
Six months later, Super Sonic battles Dark Oak in the atmosphere. He spreads the Chaos Emeralds throughout space and falls back to the planet. He is found and nursed to health by Dr. Eggman. Later the heroes gather the Chaos Emeralds in a space journey very loosely based on, Sonic Heroes and Shadow the Hedgehog. In the end Super Sonic and Super Shadow destroy Dark Oak and they all return home. Sonic watches as Chris is flown away back to Earth and declares war on Eggman for making Chris leave so soon. "I'll never forgive you, Eggman!"("Watch out Eggman, I'm coming at you full speed!" for English version) In this season, Sonic seems to care about Amy a lot more than in seasons one and two.

Characteristics and relationships
Sonic is a habitual daredevil who is honest, loyal to friends, keeps his promises, and dislikes tears. He took the young Tails under his wing like a little brother. Even though he isn't intrigued by the marital proposals from Amy Rose, he really seems to share her feelings, as he even dives into water to save her when she was drowning in episode 9 (even though he couldn't swim); and in episode 52, (English version) he also promises her to never leave her alone again (or actually tells her that he is in love with her in other versions). With Knuckles, he shares a friendly rivalry (similar to the game one), the two can be anyhow great team mates, but Sonic simply can't resist teasing him whenever he has the chance to. Even if he meets Chris at the beginning of the series, he becomes fastly his friend and treats him like a younger brother as well as Tails.

In times of crisis, he focuses intensely on the challenge as if his personality had undergone an astonishing change. Sonic's greatest strength is his running speed, which is faster than the speed of sound. He appears as a blue blur when he runs. He can use the Spin Attack like in the games and appears in 3D, in this state he can break through virtually anything and a ring can increase his power similar to SatAM.

When seven Chaos Emeralds are collected, he is able to transform into Super Sonic, a faster, stronger and invulnerable version of himself that can fly, teleport and move faster than the speed of light. He can also heal people with a touch. He has used super transformation against Perfect Chaos, Biolizard, Eggman, Dark Oak, and Super Shadow.

Friends and Allies

 * Miles "Tails" Prower (Best Friend)
 * Amy Rose (Self-proclaimed girlfriend; shows some affection to her)
 * Knuckles the Echidna
 * Shadow the Hedgehog
 * Cream the Rabbit
 * Christopher Thorndyke (Best Friend)
 * Cheese the Chao
 * Chuck Thorndyke
 * Vector the Crocodile
 * Espio the Chameleon
 * Charmy Bee
 * Vanilla the Rabbit
 * Big the Cat
 * Emerl
 * Tikal the Echidna
 * Cosmo the Seedrian
 * Dr. Eggman (ally against the Metarex)

Rivals

 * Shadow the Hedgehog
 * Knuckles the Echidna
 * Sam Speed (in speed)

Foes

 * Doctor Eggman
 * Bocoe and Decoe
 * Bokkun
 * Chaos
 * Dark Oak
 * Metarex

Quotes

 * "Oh! What a great view!" - After running up a tree in the Japanese version of "Cracking Knuckles" in Engrish.
 * "So, are you up for a race, eh?" - After he thought that the cheetah would race against him in "Dam Scam".
 * "Good job! Our captain!" - To comfort Tails when he thought he wasn't a good captain.
 * "Take a good look, I'm a hedgehog, not a cat!" - After Chris tried to cover Sonic by saying that he rescued a cat from the pool.
 * "I don't care about your experiments! I'm a hedgehog, not a guinea pig!" - Sonic refusing to Dark Narcisuss' words about testing his abilities.
 * "HEY! Help me! Waaaaahhh! Oh....it's lucky I fell in the kiddy pool." - Sonic thinking he fell in a lake when he actually landed in a small puddle of water in Cracking Knuckles.
 * "Don't you worry Amy, I never will!" - Sonic telling Amy that he would never leave her again in episode 52.
 * "The way you swing that little hammer of yours around my heart beats a million times a minute" - Sonic fake flirts with Amy to get off the ship in Cruise Blues.
 * "If I don't get to the city fast, there won't be anything left to save!" - Sonic realizing that Chaos is going on a destructive rampage.
 * "YOU CAN'T STOP ME!" - Sonic during his fight with the gargantuan dragon, Chaos, after the beast spat a beam of fire.
 * "Is that the best you can do?" - Sonic just moments before he dives into Chaos's huge jaws.
 * "I'd like to, but I don't get involved in fight, I know I can't win. You're on your own." - When Knuckles asks Sonic for help when the girls (Amy, Cream and Cosmo) start "knocking some sense" into Knuckles.

Trivia

 * Sometimes, when Sonic runs, his feet move in a circular motion. This could be a reference to the 2D games as his feet would move in a similiar fashion at full speed, as well as the other three shows which appeared earlier.
 * Sonic also seems to have some kind of super strength, as seen when he was able to push back the E-18 Guerra-Hard robot, which was over ten times his size. As well as being able to hold back a fish Metarex with very little or no effort with one hand. Also, in several episode he's seen punching Eggman's robots.
 * It has been said that Sonic never cries, yet in the second season finale, episode 52, A New Start, as Sonic is carrying Chris, you can see tears coming from his face and onto Chris', as well as when he encountered Amy at her house, and when they talk (Amy actually), you can see Sonic's eyes nearly water (but only if you have a good eye) when Amy is explaining her dilema to him.
 * In the Japanese version, Sonic uses the most English out of all characters.
 * No matter what angle you see Sonic (excluding when he is falling from outer space after his first fight with Dark Oak), he has three quills. When as Super Sonic, he has five quills.
 * Sonic has a thing for taunting Eggman by turning around, sticking out his tongue, pulling on his eye socket and slapping his rear.
 * Both Sonic and Chris appeared in the most episodes of Sonic X (76).