Zedo

Zedo is Azmuth's brother. He has been a threat to Ben 10 many times. He is the main threat in: Ben 10: Zedo's Invasion.

History
Zedo was Azmuth's rival growing up. Their rivarly was about who was the best inventor. Soon Zedo ran away. He discovered he had powers like no other being in the galaxy. He started to train these powers and eventually he mastred them. Once Azmuth found out about his brother's powers he couldn't let him live. They had a fight at a lab. Azmuth pushed Zedo in a pit of toxic poison and he mutated. He returned in Ben 10: Zedo's Invasion. The way he was defeated is Ben jumped in with him into a big containment unit and turned into goop until Zedo couldn't breath and died.

Appearence
He has a big, diamondhead like body, with stinkfly wings, fourarms' arms,fangs, cannonbolt's back,swampfire feet, and a galvan head.