Thursday (Aug. 25) marks the 85th birthday of Regis Philbin. While he may have left the morning show world of "Live! With Regis and Kelly" -- previously known as "Live! With Regis and Kathie Lee" -- Philbin has continued to maintain his status as one of America's favorite personalities.

To celebrate his big day, Zap2it takes a look back at some of his most notable accomplishments.

RELATED: Regis Philbin says he was forced out of 'Live'

Keeping the seat warm for Johnny

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After working as a page for "The Tonight Show" in the 1950s, Regis found himself pitching in as the announcer for the late night series. When Jack Paar left the show in 1962, Philbin sat in as guest host before Johnny Carson famously took the mantle -- thusly setting the late night television standard.

The best character he's ever played

Aside from James Brown, Philbin has been referred to -- on occasion -- as "The Hardest Working Man in Show Business." There's truth behind that nickname and when glancing at his long list of on-screen projects, it's plain to see the best character Regis ever played ... is Regis.

Over the past four decades, Reeg has appeared as himself on programs like "Mad About You," "Seinfeld," "The Simpsons" and "How I Met Your Mother." Often imitated but never duplicated, no one plays Regis Philbin better than himself.

Achievements unlocked

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When you're successful for as long as Reeg has been, your work gets recognized for an assortment of accolades. The man has five Daytime Emmy Awards under his belt -- including a 2008 Lifetime Achievement Award -- and a star on the Hollywood Walk of Fame. Not too shabby.

RELATED: Regis Philbin shows off his Jimmy Fallon impression during 'Tonight Show' thank you notes

The many life lines of Regis

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In 1975, Regis got his first experience as a game show host with ABC's short-lived series, "The Neighbors." It took 24 years before he stepped into the game show spotlight again when "Who Wants to Be a Millionaire" premiered in 1999.

Receiving the Daytime Emmy Award for Outstanding Game Show Host in 2001, Philbin proved his magnetic personality crossed over nicely to ABC's hit game show. He continued his hosting duties with "Who Wants to Be a Super Millionaire" and "Million Dollar Password."

He's a world record holder ... and breaker

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On August 20, 2004, Regis broke the Guinness World Record for "Most Hours on Camera" -- previously held by Hugh Downs --  with a whopping 15,188 hours on television. Not to be outdone, Philbin continually broke his own record. On September 14, 2006, the number was updated to 15,662 and then, it was updated once more in 2009 to 16,747 total hours.

Regis may have retired from "Live!" but that hasn't stopped his work on camera -- he was a guest on Fox Sports 1's short-lived series "Crowd Goes Wild," guest hosted "The Late Late Show" in 2015 and is a regular guest on "The Rachael Ray Show." All things considered, it's safe to say Reeg's record is in desperate need of an update!

Posted by:Aaron Pruner

When he was a child, Aaron memorized the entire television lineup, just for fun. He once played Charlize Theron’s boyfriend in a Japanese car commercial. Aaron’s a lover of burritos and a hater of clowns. TV words to live by: "Strippers do nothing for me, but I will take a free breakfast buffet any time, any place."