Muggum was a male Cellarmole at Redwall Abbey. He was a Dibbun when Badredd attempted to beseige the Abbey and the ringleader of his group of babes including Shilly, Yooch and Buffle. He and Shilly won the Wall Race in the grass course and together he, Shilly and Yooch took part to the sport contest.
Not to confused with Ruggum.