Jonathan voiced Grandpa Smurf on The Smurfs Cartoon TV Series (by Hanna-Barbera) and Papa Smurf in The Smurfs Movies 1 & 2.
Jonathan met his wife, Eileen Schauder, in 1948 and married her one month later. They were married over 60 years - until her death in 2009.
QUOTES & JOKES
"I couldn't wait for success, so I went ahead without it."
"Nothing is impossible. Some things are just less likely than others."
"If God had really intended man to fly, He’d make it easier to get to the airport."
"If your ship doesn't come in, swim out to it!"
* Close friend Robin Williams and Jonathan ad-libbed much of their material on the TV Show Mork & Mindy
* Claimed the movie King Kong (1933) made the biggest impression in his youth
* Jonathan earned a salary of $130,000 for his role in It's a Mad Mad Mad Mad World (1963)
* Painted a series of abstractionist artwork featured in the book titled "Hang Ups"
* Was voluntarily institutionalized twice in his life (and joked about it in his stand-up comedic act)
* Played a dead champion pool-player opposite Jack Klugman in the episode "A Game of Pool" in The Twilight Zone