Kay is a character from the Nintendo DS video game Chōsōjū Mecha MG. He is friends with the protagonist of the video game and dreams of one day becoming a mechanic who fixes Marionation Gears, whereas his friend wants to become an operator of the machines. Typically, both of the characters fulfill their dreams. In the beginning of the game he goes to Galloy's factory to learn how to become a mechanic with his friend.