An freedom RWS fighter that defend catronian from evil greedy human and lead the peace of galaxy,an scientist that work with RWS-179-0 crockerion for creating nuclear bomb to being deployed in human terraforming plan city,"valzania".stein known once destroy valza robo with a ton of super glue and ton of acid water.stein also known as the left leg part of RWS combiner "SUPER soundowave".and stein known as "a robot behind destruction of valzania city" for bomb nuke valzania city.
