Priya Koothrappali – The Big Bang Theory
Aarti Mann played raj’s younger sister on The Big Bang Theory. Season 4’s main antagonist, according to many fans, is her. She was a corporate lawyer who was despised by the fans from the moment she first appeared on the show. Part of it stems from her betrayal of Leonard. In the seventh episode of Season 5, the breakup occurred.
Cousin Oliver – The Brady Bunch
Robbie Rist played Cousin Oliver on The Brady Bunch. However, the character was so reviled that it became known as “Cousin Oliver Syndrome.” This term refers to a young character introduced to an old show and is tasked with shaking things up. Unfortunately, many people believe that typecasting only lowers the quality of shows. Oliver acted as if he were a human disaster magnet. He caused a slew of issues and threw the series off balance.