Maelstrom

Maelstrom is an evil AI hell bent on taking over the world, much like Xana, his main rival. Unlike Xana, Maelstrom can actually take on a humanoid form, and uses minions known as Hunters to do his bidding. He makes his firfst appearence in the 3rd episode of The Dark Saga Mini Series, and toward the end of episode 22, he makes an allianice with Aelita and Graham to destroy Zora. After they do, Maelstrom dissapears. In episode 30, Maelstrom tricks Aelita and Graham back into the alliance. Maelstrom then takes the Sword of Lyoko and escapes Lyoko. He is a trickster, and he absouloutley hates Xana and the Lyoko Warriors alike.