This cube craft paper toy is Wolverine, a superhero from Marvel Comics' same named comic, the papercraft was created by Pankismo. There are other two cube versions on the site: Wolverine James Howlett "Logan" Cube Craft Free Paper Toy and Wolverine Cube Craft Free Paper Toy.
There are also other Wolverine papercrafts available:
Wolverine Mini Papercraft
Marvel Comics - Wolverine Free Paper Toy
Marvel SuperHeroes Free Papercrafts
Octopus Dei - Joker, Wolverine and SuperMan Free Paper Toys
You can download the cube papercraft toy here: Wolverine Cube Craft Ver.3 Free Paper Toy Download