From the popular anime series, One Piece, comes Luffy D. Monkey in his Snake Man (Fourth Gear) form. When utilizing Gear Fourth, Luffy makes extensive usage of his Busoshoku Haki by coating his arms, legs and much of his torso in it to the point that they turn black from hardening. The Haki coating across his body resemble the wispy ends made from flames, giving it?the appearance of tattoos, and he gains shading around the inner and outer edges of his eyes. He also physically grows taller, standing around 4 meters tall.