Frank Jones was the main antagonist of the Regular Show episode Trailer Trashed. He disguised himself as a health inspector to take the trailer from Muscle Man. He wanted it from Muscle Man because he lost to him in a hotdog-eating contest. He won 2nd place while Muscle Man won 1st. He later died on Muscle Bro's truck after falling from the cliff and being pranked by Muscle Man that they have the trailer inside the truck.