Scumsnout was a wearet captain of a crew of sea rats responsible for attacking Lilygrove. He operated under Cluny the Scourge's banner. Scumsnout had a poisonous bite, which he used to wound Liam Rivermouse.
After falling into a pit in Pontedaria, he traveled through underground tunnels until he reached Otters' Den. He met his demise while attempting to chase down Sophia Ryemaid, getting slammed in a large wooden door.