Happy Days could have looked very, very different had Henry Winkler never been cast. In fact, a '60s rockstar might have gotten the part of The Fonz instead.

UNITED STATES - SEPTEMBER 09: HAPPY DAYS - Gallery - Season Three - 9/9/75, Pictured, top row, left: Henry WInkler (Fonzie), Tom Bosley (Howard), Anson Williams (Potsie), Marion Ross (Marion); bottom ...

At 50, the classic sitcom is the model of a kind of nostalgia that’s as much about what we forget (the bad stuff) as what we remember. (Aaaay!) Credit...Doug Chayka Supported by By James Poniewozik ...

Henry Winkler as the "Fonz" (front left) and Ron Howard as Richie Cunningham (front right) alongside other "Happy Days" cast members. Happy Days first premiered on January 15th, 1974, and ran for 11 ...

After five decades in Hollywood, Henry Winkler points to his Happy Days costar Ron Howard as one of the best of the best — ...

Henry Winkler is reflecting on the 17 seconds it took for him to crash his character's iconic motorcycle on the set of "Happy Days." Known for his breakout role as Arthur "The Fonz" Fonzarelli in 1974 ...

Suzi Quatro had a No. 1 hit with the song “Devil Gate Drive.” The song hit No. 1 on the UK singles chart, marking the singer ...

As one of the greatest sitcoms ever made, "Happy Days" seems in retrospect as if it should have been no-brainer for ABC execs (who originally wanted to give the show a hilariously bad title). But it ...

"Happy Days" stars came together for the first time in decades. During a panel at Steel City Con in Pittsburgh, Pennsylvania, Ron Howard, Henry Winkler, Anson Williams and Don Most reunited in public ...