Let's make this birthday one to remember.

76 years old (Born on April 02, 1949)

Happy birthday to the unforgettable Ron Horshack Palillo! Whether you were raising your hand enthusiastically as Arnold Horshack on "Welcome Back, Kotter," or lending your voice to animated characters that made us laugh and smile, you've always had a knack for stealing scenes—and our hearts. Your iconic catchphrase—"Ooh-ooh-ooooh!"—still echoes in classrooms everywhere.

From sitcom nerdiness to cartoon charm, you've given audiences countless memorable moments filled with laughter and joy. Today we celebrate not just another year older—but another timeless performance etched into pop culture history!

Here's hoping heaven appreciates enthusiastic hand raises; happy heavenly birthday, dear friend!