Kay is a character from the Nintendo DS video game Chōsōjū Mecha MG. He is best friends with the protagonist, and together they work as apprentices at the Galouye Workshop, hoping to get one step closer to their shared dream.

As a Puppetmaker, or mech engineering apprentice, Kay loves to tinker around with Marionation Gear, and services the wide number of MG obtained throughout the game.

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