Jack is a large, brawny man with pale white skin, red eyes and a hybrid appearance between a human and a shark, being mostly humanoid only having sharp teeth and a long tail. He has tattoos on his chest, arms and tail. He typically wears a top hat with a piranha symbol in the front, a black vest made from reptilian scales, worn-down brown pants with vertical stripes and dirty leather shoes, though he occasionally wears a monocle. Borned in Bilgewater.