Rorzan was a male otter resident of Redwall Abbey. He was the son of Zaran the Black and Rorgus, and the half-brother of Namur. He was the second child of Zaran while the first child for Rorgus. The pair created Rorzan's name by combining their two names together, Rorgus and Zaran.
Rorzan was a minor character, nothing else is known.