6+boys artist_name back_to_the_future batman_(series) batmobile battle beam car character_request city crossover dc_comics doc_brown dual_wielding electricity epic explosion flying_car ghost_busters ground_vehicle gun herbie_(love_bug) kikomauriz leonardo lion-o love_bug mach_5 mach_go_go_go marty_mcfly michelangelo monster_boy motor_vehicle multiple_boys nunchaku panthro race_car racing raphael sai_(weapon) scooby-doo sword tank teenage_mutant_ninja_turtles thundercats tygra volkswagen volkswagen_beetle weapon  back_to_the_future blue_eyes brown_hair chibi doc_brown emmett_brown gun hat male marty_mcfly mayu_(airmods) multiple_boys pixiv smile weapon white_hair  bad_id blonde_hair blush chibi doc_brown dog einstein emmett_brown green_eyes guitar instrument jacket jennifer_parker labcoat licca_(pixiv) marty_mcfly shirt short_hair smile waving white_hair