David Kaye is a Canadian actor and voice actor. He is best known for animation roles such as Megatron in five of the Transformers series (Beast Wars, Beast Machines, Armada, Energon, and Cybertron), Optimus Prime in Transformers: Animated, Professor X in X-Men: Evolution, Cronus in Class of the Titans, Khyber in Ben 10: Omniverse, several characters in Avengers Assemble, and Duckworth in the reboot of DuckTales. He is also known for anime roles, including Sesshōmaru in Inuyasha and Treize Khushrenada in Mobile Suit Gundam Wing, and video game …