a TV show." On The Big Bang Theory, Howard Wolowitz's mother, Debbie, was always heard but almost never seen in the entire first eight seasons in which she was on the show. She was voiced by Carol Ann Susi until Susi's death in 2014, after which the character was killed off. On the Netflix animated television series BoJack Horseman, Mr. Peanutbutter often shouts to an off-screen, implicitly outlandish, character known as "Erica". References Fictional characters by role in the narrative structure