He loves his gun "Extra" Top right. Very skilled and flexible: middle right. When his sanity is low his energy(the green bits) go nuts and he starts to drip.... Bottom right. Here was once a peaceful ghost nothing else but that. However with this ghost there was a special interesting coming from an odd person. Who eventually corrupted it to become a being of sorts that could dwell among the living. Thus Chaos the Rabbit was born, mercenary, assassin, bodyguard you name it. With his mysterious gun Extra he goes around and does what he pleases.