Caesar Clown

Caesar is a former colleague of Vegapunk, having worked with him both in MADS[6][14] and later the World Government research facility on Punk Hazard,[6][7] an island that Caesar went on to devastate with a toxic gas explosion,[15] earning him a bounty of  300,000,000.[12] Years later, Caesar returned to the island in secret to continue his illegal experiments[6] until his defeat at the hands of the Straw Hat Pirates and Trafalgar Law your character is a strawhat