Kevin Michael Richardson is an American actor. Known for his distinctively deep voice, he has mostly voiced villainous characters in animation and video games. In film, Richardson voiced Goro in Mortal Kombat, Captain Gantu in the Lilo & Stitch series, and Deus Ex Machina in The Matrix Revolutions. He has also voiced characters on Seth MacFarlane's shows Family Guy, The Cleveland Show, and American Dad! Richardson is also known for his roles as Trigon in both Teen Titans and Teen Titans Go!, Antauri in Super Robot Monkey Team Hyperforce Go!, Dr. Hibbert in The Simpsons, Rosie in F Is for Family, and the Mauler Twins and Monster Girl in Invincible. He received two Daytime Emmy Award nominations for voicing the Joker in The Batman (2004–2008).