character_name full_body gara_(jumbor) jumbor_balutronica kouichi_(kouichi-129) mecha no_humans robot simple_background standing  1boy aonik artist_name black_footwear black_hair construction_site excavator hair_ornament jumbor jumbor_balutronica overalls scaffolding standing white_background winch yellow_theme  1boy aburaya_tonbi arm_up black_hair brown_eyes brown_pants jumbor jumbor_balutronica mecha mechanical_hands pants simple_background solo spiky_hair white_background