He was known for playing Professor Oak and Meowth in the long-running franchise. He also made appearances in other popular animated series such as “Yu-Gi-Oh!” and “One Piece.”

A prolific voice actor behind Pokémon's Professor Oak and many other classic animated characters has passed away. James Carter Cathcart, who was best known for his voice acting work in animation and video games,

Pokemon and Sonic the Hedgehog legend James Carter Cathcart has died aged 71. The beloved voice actor, who was also known as Jimmy Zoopi, was diagnosed with throat cancer two years ago, and he died this week. Cathcart voiced the likes of Professor Oak, Meowth, Gary Oak and Team Rocket’s James in the English dubs of Pokemon.