Amadeus Flux is the one of the main and recurring villains in the series, he is also one of the four founders of the Universal Villains. He is an intellectual who will take on any job if it means getting him closer to his goals. His worse enemy is Jexi the Hunter and the other Dimensional Heroes. How he and Jexi met are unknown at this time, but since then, they clash every time they meet up.

For fighting, he uses various guns, swords, machines, anything he can use to inflict harm on others.