Weasel, given the alias of John Doe by his attorney Elizabeth Bates, is an animalistic metahuman member of the Creature Commandos with a savage simple-minded mentality whose true origins remain a mystery, wrongfully accused of murdering 8 children at Sunnyhill School, and a former member of Task Force X who survived Project Starfish before getting enlisted into the Creature Commandos and protect Princess Ilana Rostovic from Circe, whom he grew fond of believing to be the girl he failed to save.