Wendt died Tuesday, May 20, at the age of 76 Kelsey Grammer reacted to the death of his Cheers costar and friend George Wendt, calling him "a lovely guy." The actors respectively played Frasier Crane and Norm Peterson on the beloved sitcom.

George Wendt, the actor best known for playing Norm Peterson on the long-running sitcom "Cheers," has died. He was 76.

Any consideration of ensemble-driven sitcoms has to include “Cheers,” and any consideration of “Cheers” has to include George Wendt, whose Norm Peterson was the bar fly’s bar fly.