- Age: 15
- Gender: Male
- Race: Hedgehog
- Color: Blue
- Birthday: June 23rd
- Birthplace: Christmas island
- Favourite color: Red
- Favourite food: Chilli dogs
- Likes: Running, relexing, racing, adventures, beaches, girls, break-dancing, his family, rock music, Emerald star dance, summer, winning, keeping on the move, speed, his friends, dancing, bars and nightclubs, Topical hill, a challenge, jokind around with Eggman and playing his electric gutair,
- Dislikes: Water, boats (sometimes), anything related to water, slow things, boredom, tears, the innocent hurt, subamarines, Amy's anger, the idea marrying or dating with Amy, argurement, waiting, Eggman's robots, being captured by Amy for a date or marriage and Eggman
- Romance/Love Interests: Lisa Mongoose, Haemi the Cat, Aisha the cat, Emily the Fox, Georgia the Cat and Starlight the Fox
- Best friends: Miles Tails Prower, Knuckles the Echinda, Silver the Hedgehog, Mighty the Armadillo and Ray the Flying Squirrel, Sparky the Hedgehog, Speed the Hedgehog,
- Close friends: Kikki the Mongoose, Kasey the Hedgehog, Krystal the Cat
- Rivals: Shadow the Hedgehog, Knuckles the Echinda (formerly) and Dr. Eggman
- Family/Relatives: Jules the Hedgehog (father) Bernadette the Hedgehog (mother) Sir Charles the Hedgehog (uncle) Lisa Mongoose (future wife)
- Theme song: It doesn't matter by Tony Harnell
- First Appearance (games): All of them even the new games
- Ability type: Speed
- Powers: His speed and fist
Sonic is the main character of games and series. He is a supersonic, cool, blue teenage hedgehog. He is a famous idol of the game. His parentage is Jules and Bernadette. Sonic is fear of water which he can not swim. He was chased by Amy when she gets idea to marry. Sonic has a dates with the girls except Amy. He keeps promises and dislikes tears. He recause Haemi from Dr. Eggman and becames as his cute girlfriend. He is a leader of the team.
He enjoys celebrating the summer with the others. He also plays his electric guitar during in the concerts with Sapphire and Lisa. He likes dancing on the "Emerald Star Dance" along the side with his friends. Sonic share feelings with Aisha, but accientally made her upset when Amy showed up in her spoiled way. He can run faster than the speed of sound. Lighting up his feet, he had a fight aganist with his arch-nemenis Dr. Eggman. He dislikes the idea to marry or date with Amy because he only dates the girls in his age. He is Tails' best friend, close as brothers.
His new worst enemy is Yuesf, the stepfather of Haemi and ex-husband of Tammy the cat. He doesn't know that Haemi's father had left after Elise divorces her ex-husband. His supersonic speed is a weopon. He cares about Haemi so much. Sonic likes to spend his free napping. He is a brotherly-like to Tails and Cream.
Later, Sonic and Haemi's relationship was being inturrped by Amy. She was jealous that Sonic is dating with Haemi and puts a love spell on him, making Haemi upset. After a cure of getting rid of Amy's love spell, Sonic turned by to himself. When the sunsets, Sonic promise her that he will not leave her again. He and Haemi kissed on the middle of the sunset. Sonic is relaxing and taking his nap and Haemi is watching the sunsets, she loved him so much and her hope is bring her friends and the magical colourful fireflies will appear in the starry night sky. She is later being emberrested that Sonic had kissed her. Throughout the TV series and games Sonic is not Amy's boyfriend, it explian that Amy does not care about Sonic's feeling. He has flirtrious relationship with the others girls in his age when he first met.
Sonic is a popular character. He likes break-dancing, the Emerald Nightclub, doing concerts with Lisa, dancing along with the others and hanging out.
Sonic is interested in girls in his age. He secretly does not want go out with Amy. He hears from Tails, Knuckles, Ray and Mighty that she is a annoyed spoiled brat for her love with him. Sonic is having 6 dates with the girls and Amaya.
Haemi the Cat
After harrowing around in Eggman's base, Sonic has a crush on a new girl Haemi the Cat. Haemi kisses him for saving her from Eggman.
Sonic had accidentally made Haemi upset when Amy put a love spell on him and his eyes were being satifacted. It was being controlled by Amy's love gun. Knuckles, Mighty and Ray saves him by Amy. Knuckles breaks the love gun by punching it and turns Sonic back to himself again. Amy gets angry that Knuckles breaks her new weopon for her love with Sonic. But it turns out that Sonic does not want to go out with Amy, it was heard by Tails and Ray. Amy chases him in rage, Sonic says he is not her boyfriend, because he already had a girlfriend, Haemi. But was realise that he accidentally made her upset.
Haemi had broken up with Sonic, but thanks to Amy, who ruin her relationship with Sonic. Knuckles and Tails told Sonic to go apologise to Haemi about what happen before when she turns. And meets her there until the sunsets. Sonic is close to Haemi and loved her so much. When the suns is setting, Sonic meets Haemi on Emerald sunset hill, but she ignores him. Sonic tells her, he is sorry for being caught up with Amy. Haemi tells about Amy's satisfaction along with her and burst her tears, tells him not to leave her again. Sonic gives her a white flower. He promise her, that he will not leave her again and loved her back. Haemi hugged him, while crying about Sonic's absent. Sonic smiled at her and tells her to stop crying "Don't cry babe". Sonic and Haemi are back together and meets everyone by running and holding their hands
Sonic and Haemi are finally back together. They are going on a date to the Topical hill. At the Topical hill, Sonic and Haemi are heaing to the beach, but Sonic doesn't mind if the water is not too deep. After having fun at the beach, Haemi wants to see the fireflies. They appear at the night starry sky. Sonic and Haemi are watching them flying through the night sky.