Rule 34 Dev - 4boys beard black_footwear black_hair crossover dougi dragon_ball dragon_ball_(classic) facial_hair happosai highres multiple_boys muten_roushi natfoe old old_man open_mouth ranma_1/2 ruyi_jingu_bang saotome_ranma simple_background son_goku spiked_hair sunglasses teeth turtle_shell upper_teeth_only yellow_background|19412589807