Demon King

"I will unleash my suffering in the forsaken prison on you."

- The Demon King preparing to fight Sulfur.

The Demon King is the former leader of the Demon Clan, way before Spark D. Mana. He was sealed in mirror prison by Percival Demon, his grand-son. He been trapped for so long that he forgot who did. When he was released from his prison when Percival Demon was killed by accident by Sulfur, he was furious and attack Sulfur. He was defeated and killed by the Spark Family.

Apperance
He wears a lot of armor and a black coat underneat. Black pants and silver boots. He has a sword in his hand.