Caesar Clown

A mad scientist and former Vegapunk colleague, user of the Gas-Gas Fruit. On Punk Hazard he runs illegal weapons-of-mass-destruction experiments in the pay of Joker (Doflamingo).

Caesar Clown, a mad scientist and former colleague of Vegapunk, user of the Gas-Gas Fruit. He built weapons of mass extermination on Punk Hazard for Doflamingo and Kaido, until the crew captured him.