Adventure Sonic, Retr0 Wiki

Adventure Sonic is the Sonic the Hedgehog from the not-to-distant past. Adventure Sonic is a younger Sonic, with longer quills and a buffer chest. However, he's shorter and wears the Hi-Speed Shoes and some upgrades. See Sonic the Hedgehog.

Rouge the Bat, Retr0 Wiki

Sonic the Hedgehog (2006 video game) - Wikipedia

Sonic Advance 2, Sonic Wiki Zone

Mario & Sonic at the Olympic Winter Games (Nintendo DS) - Super

Sonic Adventure, Sonic Wiki Zone

Sonic Adventure 2, Sonic Wiki Zone

File:E102-sa.png - Sonic Retro

Sonic the Hedgehog (1991 video game) - Wikipedia

Sonic Adventure DX: Director's Cut - Mainline Sonic Games - Sonic