Lynne Marie Stewart, the actress known for roles in Pee-wee’s Playhouse and It’s Always Sunny in Philadelphia, has died. She was 78. Elvira star Cassandra Peterson was one of several to pay tribute to the actress Friday on Instagram after coming up together at The Groundlings in Los Angeles and appearing in Elvira: Mistress of

Stewart had a memorable role on the beloved comedy series “It’s Always Sunny in Philadelphia,” playing Charlie Kelly’s mother, Bonnie.

Lynne Marie Stewart, star of Pee-wee’s Playhouse and It’s Always Sunny in Philadelphia, has reportedly died. She was 78. Stewart’s death was announced by a friend on Instagram on Friday, Feb. 21.