Isso é Hank McCoy, Fera dos X-men. Antes do pêlo azul.
Do artigo da Wikipedia sobre a transformação:
Hank isolates a "hormonal extract" allowing anyone to become a mutant for a short period of time, and uses the mutagenic serum on himself to disguise his appearance while foiling an attempt to steal his research.[12] He waits too long to reverse the process, leaving him permanently transformed. He grows grey fur, which later turns blue, all over his body and acquires pointed ears, elongated canine teeth, claws, the ability to run on walls and ceilings like a spider, enhanced senses, an accelerated healing factor, and a feral side he struggles to control.
Como starpilotsix mencionou, a pele já chegou e se foi (como no filme), que pode ser visto na foto a seguir, da wiki de microheroes da maravilha: Embora o uniforme específico não seja mostrado aqui.