Compilation of Sonic characters

Hero First Evolution

Hero/Swim

Greenish blue markings with two flat leaf type things on the top of its head.

Hero/Fly

Purple markings with two smaller leaf type things coming up from its head.

Hero/Run

Blueish markings with a small spike on its head.

Hero/Power

Red/orange markings with three small rounded spikes on its head.

Hero

Blue and yellow markings with two very small leaf type things coming from the back of its head.