Bridget

Bridget is one of the chickens Rolf owns. She was first mentioned in the episode "Who's Minding the Ed?". In the episode, Rolf says that she prefers solitude, unlike the rest of the chickens. She's one of the only chickens in the series that were actually mentioned with names, the other being Gertrude. It is known that if you squeeze her hard enough she will lay an egg.