Harvey Lembeck was a comedic actor whom I best remember as the character 'Eric Von Zipper' in the series of "Beach Party" movies in the 1960s. 'Von Zipper' was a bumbling outlaw biker in those movies, the leader of the biker gang The Ratz and Mice, a sort of 'Three Stooges' version of Hell's Angels.
I sent this character portrait to Mr. Lembeck in 1981, and he signed and returned it within two weeks. He died the following year at the too-young age of 59.
Here is a color photo scene from one of the movies.