artist_request brain clenched_teeth cy-kill decepticon engrish glowing glowing_eyes gobots graffiti head logo machinery mecha parody ranguage redesign science_fiction teeth tire transformers  2015 artist_request crossover cy-kill dated fusion gobots handlebar highres looking_at_viewer marker_(medium) mecha megatron red_eyes redesign robot scan science_fiction signature sketch tire traditional_media transformers  2016 angry clenched_hands cy-kill dated deviantart_username franciscoetchart gobots mecha no_humans realistic red_eyes robot science_fiction signature tire watermark