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Christopher Joseph Tergliafera is an American voice actor who played Sigma and Ultron Sigma in Marvel vs. Capcom: Infinite. He's voiced many other characters in Genshin Impact, Danganronpa, Jojo's Bizarre Adventure, Hunter x Hunter, One-Punch Man, and more. He's also worked on major franchises like God of War, Spider-Man, GTA V, and Star Wars. Tergliafera's breakout role was Sirius Oculus in Little Big Planet Karting.