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Jimmy Kimmel's uncle Frank Potenza, aka Uncle Frank from the ABC late-night talk show "Jimmy Kimmel Live!,' has died at age 77 on Tuesday, August 23, 2011.
'Thank you for your kind words about a very kind man - my Uncle Frank - who passed away this morning,' Kimmel said on his Twitter page in response to a flood of Tweets from fans.
Potenza, a New York native and Korean War veteran, worked as a police officer for 20 years and was also a private security guard Caesar's Palace in Las Vegas and at St. Patrick's Cathedral in New York before he began his entertainment career.
'Jimmy Kimmel Live!' debuted in 2003 and Potenza had moved to Los Angeles to work with Kimmel, who was at the time known for his previous series, 'The Man Show.' Potenza often starred in 'Jimmy Kimmel Live!' skits and promotional segments with Guillermo Rodriguez, who once worked solely as a security guard in the parking lot of the show's studio.
Potenza often welcomed members of the show's studio audience of in person and was touted for his sense of humor and cheerful demeanor on and off-camera. He is survived by three daughters and a newborn granddaughter.
(Pictured: Frank Potenza, aka Uncle Frank, appears on 'Jimmy Kimmel Live!' in 2011.)