Both Rowan and Martin are gone; Dick Martin only within the last couple of years.
The "very interesting" guy you're thinking of is Arte Johnson, but I believe he's still alive. He also played the horny old pervert on the park bench in those skits with Ruth Buzzi.
Signor V.
Oh yea, I loved those skits. Buzzi was so weird and funny, hitting him with her purse. Just the idea that any guy would even make a pass at her character was hilarious.

TIS