Jason Adam Griffith (born November 29, 1980) is an American actor and voice actor for the 2003 animated series, related video games and Turtles Forever. He was the voice of SEGA mascot Sonic the Hedgehog, as well as Shadow the Hedgehog and Jet the Hawk, in the Sonic the Hedgehog video game series, where he is credited as Jason Griffith and Adam Caroleson, before the role was passed to Roger Craig Smith. His role as Shadow was later passed to Kirk Thornton. He is currently playing the voice of Cilan, Ash's new traveling companion and first Gym Leader in Pokémon: Black & White.
He is often mistakenly credited on the internet as Jason Anthony Griffith (all of his credits in actual products are under just Jason Griffith or Adam Caroleson). Jason Anthony Griffith is a different actor altogether.
- Miyamoto Usagi
- Foot Ninja/Large Foot Ninja/Foot Tech Ninja (TMNT: Mutant Melee)
- Slashuur (Teenage Mutant Ninja Turtles 2: Battle Nexus)
- Leonardo (Turtles Forever - Mirage version)