Trigon

Trigon is the ruler of the Netherworld, and father of Teen Titan Raven.

Physical appearance
A silhouette of Myron, suggests that he's huge, with a fury face and horns.

Personality
He lives for nothing more than conquest and evil.

Scooby-Doo! Team-Up
A shadowy, figure make and Teen Titans think Trigon the Terrible is in Titans Tower, but it was only Raven's uncle, Myron, the Mildy Irritating.

Notes/trivia

 * Trigon being ruler of the Netherworld conflicts with the fact that the Goblin King from the direct-to-video film,, already had that role.