Longtime Johnny Carson sidekick Ed McMahon, renown for his iconic catch phrase "Here's Johnny," has passed away in Los Angeles at the age of 86.

PHOTO GALLERY: Ed McMahon Through The Years

McMahon's publicist Howard Bragman says the legendary entertainer died peacefully at the Ronald Reagan/UCLA Medical Center shortly after midnight Tuesday.

McMahon's legacy is defined by his stint on the Tonight Show, where he roared his trademark cackles for three decades, leaving the show following Johnny Carson's 1992 retirement. Carson passed away in 2005 at the age of 79.

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• Ed McMahon
• Johnny Carson
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