William Robert "Billy Bob" Thompson is an American voice actor for the English-language dub of the Pokémon anime and became a voice actor as an adult. He joined the Pokémon anime during Pokémon the Series: Black & White, specifically its fourteenth season. His most prominent role during that time was Burgh. Thompson then crossed over into Pokémon the Series: XY, where he gained the notable roles of Ash's Froakie, Frogadier, and Greninja; as well as Squishy, Z2, and Clemont's Luxray. Most recently, Thompson voiced the Team Skull Grunt Tupp during Pokémon the Series: Sun & Moon.