Sonic:

Amy:

Knuckles:

Sticks:

Tails:

Zooey:

Dr Eggman:

Orbot:

Cubot:

Beaver:

Soar:

Old lady:

Lady walrus:

Baby walrus:

Kid walrus:

Mayor:

Swifty the shew (robot):

Perci:

Justin Beaver:

Dave:

Mike:

Tell me if I missed anyone