Hexagon, (voiced by Kevin Michael Richardson) is a major villain who debuted in the film Teen Titans Go! vs Teen Titans. He is the combination of Trigon and OG Trigon.
After Trigon is humiliated by his original counterpart, he eats him. Thanks to that, they are able to transform into one giant demon monster, known as Hexagon. The Titans get some help from other multi-verse Titans to fight him. Hexagon has a hard time trying to beat of all them, but decides to unleash his power, hurting all of them at the same time. He uses his fire breath attack to destroy the Ravens, but fails as the Ravens use their powers to protect themselves with some city buildings. He then decides to go after the two Robins. He almost got them, but his daughter returns to the fight, ready to defeat him as she transforms into "The Unkindness". They have an epic fight, and Hexagon is about to defeat her. But due to the Titans fast thinking, the Worlogog is destroyed, and Raven can finally defeat her father. Hexagon disappears as both Trigons are separated.