Mr. Bull is a supporting character in "Peppa Pig". He is the husband of Mrs. Cow, whom he married in Wedding Day!, the son-in-law of Grandma Cow, the brother of Mr. Bull's Brother, and possibly the father of Carol Cow. He works primarily as a construction worker, though he also works other jobs too. He works as a taxi driver, as seen in Flying on Holiday, a nurse, as seen in Mummy Rabbit's Bump, and a garbage collector, as seen in Recycling. He is the chief of construction workers Mr. Rhinoceros, Mr. Labrador, and Mummy Elephant. Mr. Bull can play the tuba, as seen in Goldie the Fish and Shake, Rattle and Bang. He is also part of Daddy Pig's football team, as seen in Washing. Mr. Bull is often seen cutting the grass near Madame Gazelle's playgroup or digging up the road. He makes his animal sound "moo" but also sniffles and coughs a lot.