- He is the first person to guest star as himself in the show, The second one is Jay Leno.
- In the series, He has brown hair, while in real-life has has white hair, due to aging.
- He has also played a fictionalized version of himself in shows Johnny Bravo, The Simpsons, and Family Guy.
- He died from leukemia on June 9th, 2017 at the age of 88.
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