Caroline Rhea is a Canadian stand-up comedian and actress who is best known for her role as Hilda Spellman on the ABC show Sabrina the Teenage Witch. She has performed numerous comedy specials, including three one-hour standup specials for HBO, Showtime, and Bravo. She is also known as the voice of Linda Flynn-Fletcher on the Disney Channel series Phineas and Ferb and as a regular on Hollywood Squares with her friend Whoopi Goldberg.