Tugga Bruster was the Log-a-Log of the Northwest Guosim, and the father of Dubble. He was rude, unkind, and a bully; even unpopular in his own tribe. Tugga was no ally of Redwall Abbey or even of the Guosim; he wounded many goodbeasts in his efforts to get his way, and rubbed just about every beast he met the wrong way. After Tugga Bruster was killed, Dubble became the new Log-a-Log; however, he was so ashamed of his father's legacy that he forfeited his birthright, and gave the cheiftancy to Garul instead.