Mr. Caukenbolls is a main character in Grand Theft Auto: London, 1961.
Mr. Caukenbolls is a VIP and associate of the London mob who is kidnapped by ransomers. The protagonist kills the kidnappers by going to a bomb fitting shop, getting his car rigged with TNT, and blowing up their garage with it. Mr. Caukenbolls is rescued from a stolen London taxi, and whilst avoiding police is taken into a mob-owned hotel in North Soho.
He is described as "no slag, quite an important gentlemen" who has "made a lot of enemies".
- His name is a crude pun on the term "cock and balls".