Mastermind

The Mastermind is a villain in Secret Agent Clank and another personality of Ratchet

Secret Agent Clank
Due to Klunk placing A Brainwashing device on Ratchet, he could occasionly set it to activate an change Ratchet, making him into a more evil person who was in control of the Kingpin's plans, the first time Klunk used the device on him, he stoles the eye of infinity and the second time made him cause a Prison riot, The Mastermid personality was later stopped when Clank removed the device from Ratchet.