Justin the Rat is the tritagonist and male lead from Don Bluth's The Secret of Nimh and a supporting character in its unpermitted sequel. Justin is amongst the rats, who escape NIMH, with an intellectual gift, appointed as a captain of the guard of the Council Rats, later being promoted as the new leader of the rat colony, after Nicodemus' demise. He appears in the midway events of Heroes vs. Villains, assisting Mrs. Brisby and other animal heroes into the battle against the villains.