Weisz is a member of Edens Zero and a former thief from the Planet Norma. His power is Machina Maker, an Ether Gear that manipulates machines. Weisz is a selfish, stubborn, and vain man with a perverted side. However, he does care for his friends, and shows concern for others in his own way. Weisz likes money and bunny girls, and dislikes studying.

Spoiler

He is also the younger version of Professor Weisz from the year X442.