Ragnarok

Ragnarok is an intergalactic criminal & enemy of the Plumbers.

History
Ragnarok is an alien who has the powers to manipulate energy. He is the one who killed Kevin's father, Devin Levin. Max Tennyson sent him to the Null Void. He escaped the Null Void and trashed Kevin's house to find the key that his dad stole from him. He wants the key to steal the sun's energy so all life on Earth will die, and so he can sell it to the highest bidder. Kevin fights him in space until the air tank breaks open. Kevin takes the key out his head and Ragnarok is left to be sucked out into cold space by Kevin. If he died or was sucked into the sun is unknown,leaving his fate unclear.

Abilities

 * Superhuman Strength, Stamina, and Durability
 * Solar Energy Manipulation
 * Agility

Trivia

 * Ragnarok means "The end of the world" in Norse Mythology
 * He is one of a few Ben 10 villains known to have commited murder/genocide (the other being Vilgax).
 * Because he was responsible for killing Devin Levin, he is Kevin sworn archnemesis (basically he is Kevin's Vilgax).