A detective in Ace Attorney who is Phoenix Wright's friend and assists in solving cases. He has an obvious huge crush on Maggey Byrde but will not admit it. His English surname Gumshoe is a pun on 'gum on the shoe', meaning he is difficult to get rid of.
Japanese name: Itonokogiri Keisuke (糸鋸 圭介 / いとのこぎり けいすけ)
Gumshoe has short brown hair and black eyes. He has a stubble, bandaid on face and a pencil behind his ear. He usually wears an orange necktie with a collared grey or brown shirt. He wears a long sleeves green coat on top and black pants with a black belt and brown shoes on his legs.