Gregg Mayles - is a video game designer. Gregg Mayles began his career in 1991 and has worked for companies such as Rare, Nintendo, Microsoft Studios, Electronic Arts and 4J Studios. Gregg Mayles's first game was Battletoads which was released 32 years ago. Best Game Gregg Mayles contributed to was Donkey Kong Country. Gregg Mayles's latest work is Sea of Thieves which was released 6 years ago.