This cube craft is the Trafalgar Law, based on the manga series “One Piece”, this paper toy was designed by blackignus. Trafalgar Law is the captain and doctor of the Heart Pirates, a pirate crew from the North Blue. On top of being one of eleven pirates who have been referred to as "The Eleven Supernovas", he became one of the Shichibukai during the timeskip. Law, like many other pirates, dreams of finding One Piece.
You can download this cube papercraft from here: The One Piece - Trafalgar Law Cube Craft Free Paper Toy Download