Let's make this birthday one to remember.

77 years old (Born on September 14, 1947)

Happy Birthday, Jon "Bowzer" Bauman! From your iconic greaser days with Sha Na Na to voicing unforgettable cartoon characters in Animaniacs, you've rocked every stage and microphone. Your deep voice and comedic timing have made generations laugh—proving that leather jackets never go out of style.

Whether you're flexing those famous biceps or bringing animated antics to life, you continue to entertain us all. May your birthday be filled with as much joy as you've given fans over the years—and remember: age is just a number...but Bowzer's muscle pose is forever timeless! Keep rockin' around the clock!