Gonna expand my list:
Sasuke by Txpots
Shadow by Neo_Fire_Sonic
Sonic by Neo_Fire_Sonic
Sonic by ABAB (only at times, switch him out every once in awhile with Neo's)
Tails by Neo_Fire_Sonic
Knuckles by Neo_Fire_Sonic
Pikachu by Zobbes (edit)
Raphael by Dcat
That's really all right now for me.