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Trigon is a evil demon ruler of the Underworld. Unlike his teenage daughter, Raven, he has red skin, long white hair that is tied up into a ponytail and has two thick strands of extra hair flowing freely aside both sides of his face. He also has two fangs that point up from both sides of his mouth, has three sets of yellow eyes, and has two horns on both sides of his head. He wears a light gray muscle shirt with a darker sleeveless gray leather jacket and wears light gray pants. He also wears black boots and has thick silver bracelets on both his arms.
He is voiced by Kevin Michael Richardson in the English version of the cartoon.
It is revealed in Hits and Myths, he forces his daughter, Raven, to be home schooled so he makes sure she follows in his evil footsteps and forbids her to have any contact or interaction with superheroes. Wonder Woman, Katana, Beast Boy, Bumblebee, Miss Martian and Harley Quinn journey to the Underworld in search of their missing teacher, Professor Etrigan. Raven secretly shows them an opening to lead them to him. As soon as they get there, they discover that Trigon has Professor Etrigan held captive as a prisoner in a cage made out of flames. He warns them to go before Trigon finds them. Soon after Trigon spots them, he traps them all in cages made out of flames. Using her power of invisibility, Miss Martian teleports out of her cage and hits several red buttons to free her fellow schoolmates from their cages.