Bratboy is a child monster. Rita Repulsa and Lord Zedd turned young Bulk into this monster. He poured polluted water onto the Alien Rangers when he was big. Bratboy returned back to normal at the young Power Ranger's urging and was turned back to the monster by Rita and Zedd. He told them he wouldn't do what they wanted so they turned him back to young Bulk.Attack of the 60' Bulk