Pillbug, Armadillidium vulgare, pillbugs, pill bug, pill bugs, roly-poly, roly poly, armadillo bug, armadillo bugs, cheeselog, doodlebug, monkeypea, potato bug, potato bugs, roll up bug, slater, slaters, sow bug, sow bugs, isopod, isopods, woodlice, woodlouse, wood louse, wood lice, crustacean, crustaceans, decomposer, decomposers, roll up, defense, defensive, defense mechanism, defensive posture, protection, protective, ball, balls, circle, circles, round