Nut

Nut was an Extermibot. After the Battle of Rilgar he was decommissioned, and later found by Vullard Scavenger Mier, who repaired him. He became Mier`s bodyguard along with Bolt. After the Vullard`s defeat he and Bolt became Clank`s bodyguard.

Ratchet & Clank (PS4)
Nut was created on Rilgar as an Extermibot to assist in the battle against the Amoeboids. He was sent to the sewers of Blackwater City along with four fellow Mist Troopers and a Mist Tank. Five Amoeboids ambushed them and destroyed two of the other troopers and the tank. Nut's fellow troopers fled, and he was left for dead. However, Mier, an evil Vullard scavenger, found and repaired him, reprogramming him to serve him as his personal bodyguard along with Bolt, a Gadgetron Test Dummy. Nut and Bolt would later become great friends during their time serving Mier.

Personality
Nut is a dim-witted robot, and is always fighting with his best friend, Bolt. Though they often fight, they are such good friends that they are almost impossible to separate, Though he isn't very smart, Nut is a kind and loyal friend.

Appearances

 * Ratchet and Clank (Fanfiction Series)