While I was watching a rerun of Chico and the Man there was a bit part character I knew but couldn’t name. From my hazy 70’s memory I think he did ads for Doritos and possibly was part of a comedy team. He looked a little like Gene Shalite (sp) only a little pudgier.
I predict the correct answer will be found before this post is viewed 12 times. Cuz you all such smart people. 
Avery Schreiber.
Avery Schreiber, who was also on “My Mother the Car”.
Simply amazing!!! I did have a hunch the last name started with an “S” Cudos to you all.
Part of the comedy team of Burns and Schreiber.
“Know what I mean? Huh?”
“Yah.”
“Huh?”
“Yah.”
“Huh?”
“Yah. I know what you mean.”