Full name: Sonic the Hedgehog. Possesses the best running speed in the student body (100m in 4 seconds). He loves running and chili dogs. He is free-spirited and hates injustice.

Full name: Miles Prower. Sonic's best friend who loves tinkering with machines. In art class, he just casually builds mechs. He looks up to Sonic.

Full name: Knuckles the Echidna. It is no exaggeration to call him the incarnation of punching power and grip strength. He views Sonic as a rival and loves grapes.

Full name: Amy Rose. She fell in love with Sonic at first sight and puts love letters in his shoe locker every day. She loves romance and soft-serve ice cream.

Full name: Shadow the Hedgehog. He looks identical to Sonic (though they are not brothers). He is cool, calm, and ruthless. He has no interest in either good or evil deeds.

Full name: Silver the Hedgehog. He has a strong sense of justice and is positive, though he often rushes ahead too fast. He thinks romance is just about holding hands.

Full name: Blaze the Cat. Born with the ability to manipulate fire. Usually calm and composed, but she has a shy side when it comes to her weight or the person she likes.

Full name: Kotaro Yamamoto. A genius teacher. He is a master of Japanese, Math, Science, Social Studies, and PE, and on top of that, he is a kind man. 26 years old.