Ferahgo the Assassin was a male weasel, father of Klitch, and leader of the Corpsemakers. He was known for his blue eyes, and handsome appearance. He was killed in a mutual kill with Urthstripe the Strong.

Ferahgo led a siege against Salamandastron, but was not successful.

He is also one of the only main Weasel Villains in the Redwall Saga.