Mannish Boy

Mannish Boy is a minor antagonist featured in the 3rd part of JoJo's Bizarre Adventure, Stardust Crusaders, specifically the "Death Thirteen" story arc. Mannish Boy is an evil genius baby and Stand user in DIO's service. He tries to murder the Joestar Group inside the nightmare-world of his Death Thirteen. Mannish Boy is an impossible genius; able to, although a baby, think like an adult. He is able to defend himself from a scorpion and is even seen smoking. When close to people, he tends to act like a normal baby in order to avoid attention. He only shows his true personality when hi...