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.

Wendt famously portrayed Norman Peterson, better known as just “Norm,” on the iconic ’80s/’90s sitcom Cheers.

“George Wendt was the sweetest, kindest man I ever met,” said “Cheers” co-star Rhea Perlman, who played waitress Carla Tortelli in the series, in a statement.