Rule 34 Dev - 1980s_(style) 1990s_(style) absurdres big_o_(mecha) char's_counterattack crossover galient gaogaigar gundam highres kikou-kai_galient mecha morishita_naochika no_humans nu_gundam oldschool retro_artstyle robot scopedog soukou_kihei_votoms the_big_o weapon whip_sword yuusha_ou_gaogaigar yuusha_series|850475340