With all this talk of 80's sitcoms. thought you'd - Be interested in this:

[Arthur Dent]

Nope, but it does sound like a door-to-door salesman.
Ever see the Saturday morning cartoon about Alf's life on Melmack (I didn't remember that) before crashing on earth? They never called him Alf in the cartoon. They called him by his real name, which was revealed in the live show.

If noone gets it, I'll post it tomorrow.