Lugworm

Lugworm was a stoat soldier in the Rapscallion Army. He is the one who rigged the fight between Damug Warfang and his brother Byral Fleetclaw. His cheating determined the new ruler of the army, Damug. Unofficially he served as Damug's aide for a short while, until he was killed during an attempted escape by Vendace and Borumm.

Books
Lugworm appears in The Long Patrol