Rorc was the Skipper of Otters at Redwall Abbey. He was the father of Folura and Glingal, and the cousin of Barbowla Boulderdog. He is also cousin-in-law to Kachooch and uncle of the Boulderdog brood. Rorc was responsible for holding Orkwil Prink 'prisoner' in the Gatehouse for the crime of theft. Rorc also assisted in the Battle of the Plateau.