Klunk continues to aid Ratchet, but his true identity is not revealed until the real Clank is found in Metropolis, after which he transforms into his Giant Klunk form and attacks. After being defeated, Klunk falls on the hovertrain and explodes. Klunk is later revealed to be the main villain in Secret Agent Clank. Since his first encounter with the heroic duo, Klunk found work making high-tech toilet seats, but promptly quit upon hearing about Otto Destruct's defeat.
Klunk
Otto Destruct