Amy Rose is a pink hedgehog and Sonic's self-proclaimed girlfriend, who is an energetic tomboy.

Sonic Riders can only change between the Japanese voice acting or the English dub in the PlayStation 2 version of the game. All versions of the game include the option to play the game subtitled in English, Japanese, French, German, Spanish, and Italian.

Apparently his FULL NAME is Olgilvie Maurice Hedgehog, a fact he tries desperately to keep secret in the archie comics.

Shadow arrogantly claims that Sonic's existence is an insult to their species. Shadow the Hedgehog is a major antagonist in the Sonic Boom spinoff series. He is the rival of Sonic the Hedgehog, who seeks to prove his superiority over him in every way.