Looks like it says "Joe X Crump" behind the mustache guy cartoon image on the door.. What appears to be an "X" at first glance looks like a dress/bathing suit on a female image barely visible on the side of the Camaro. Did this bit of detective work using an old fashion magnifying glass and my 63 year old eyes.
NONE of this is worth anything but best I can do with what I have.

Does that name "Joe Crump" ring a bell at all for anyone?