John Silke is a game tester and sound designer on a number of different Rare video games who also provides voices overs. In Star Fox Adventures, he provided the voices for General Scales, the Warpstone, General Pepper, ROB the Robot, and a number of other characters in that game, including Garunda Te, the ThornTail Tribe, the Soldier CloudRunner, the SnowHorn Tribe, and the Cheeky LightFoot.
Voice work in other games include Perfect Dark and Grabbed by the Ghoulies.