Twice had a very unique personality: explosive, lively, and originally having a very comedic demeanor. He enjoyed assuming dramatic poses and eccentric facial expressions. Twice constantly contradicted himself, making a statement in one voice and then immediately saying the opposite in another voice. For example, he insulted Dabi and then praised him in the same sentence. Twice was a fairly capable villain and a major asset to the League of Villains. His Quirk was very effective.