Knuckles knocks down Sonic and the game start with this.
You should help Sonic to survive and be a tall knuckles. All the spinning and tumbling of the original Sonic Hedgehog are the same in this game is created by Saga.
Knuckles was first introduced in Sonic the Hedgehog 3 on February 2 1994. Knuckles has since appeared in several Sega games, his most prominent game being Knuckles' Chaotix. Knuckles is tasked with protecting the powerful Master Emerald and the 7 Super Emeralds that keep his home, Angel Island, afloat. He is the last survivor of his clan, and has had little contact with anyone else but the animals that reside there. He is friendly but also quite naive and is quick to anger, a trait that Dr Eggman exploited to play Sonic against Knuckles while he stole the Master Emerald. They become good friends after this misunderstanding is resolved.
Sonic the Hedgehog is the title character and protagonist of the Sonic the Hedgehog series released by Sega, as well as numerous spin-off comics, five animated shows, and an animated OVA.