Night of Sonic the Werehog

Due to the side effects from Eggman's diabolical contraption, Sonic undergoes a physicaltransformation from a heroic, calm but short-tempered hedgehog to a bulky, hideous Werehog, only to be that way when the full moon rise up. But despite the changes Sonic has gained, he still put his life on the line for his friends without any due consideration. As a Werehog, Sonic's speed lacks a bit than that of his usual form, but his power, stamina and strength incredibly enhanced.

This is the remastered version with a background.