As a sequel of sorts to the last post, here's Dr. Robotnik, based of the Satam concept art. (Yes, this is real art.)

The Leaf! (From Sonic the Comic)

Yet another batch of Sonic redesigns. (Guys I swear I'm gonna find a permanent one.)

.... ... .

...Fredbear?

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That feeling when Critters is actually getting progress:

Guess the Sonic character based on concept art!

Ice

A Sonic Redesign based on this piece of Satam concept art.