Ky is a 17-year-old who serves as Lieutenant General of the Black Gema Gema Gang. He's a dentist by trade and has basically taken on the role of den mother for the group—literally calling himself the "Mommy," which he's clearly pretty self-conscious about. Since the gang operates like a family unit, someone's gotta keep things together, and apparently that's him.
He's especially protective of Piyoko and is constantly on his case about brushing and flossing. It's the kind of thing that reads funny on paper, but Ky genuinely cares and takes his responsibility seriously. Between managing gang operations and making sure everyone's teeth are in good shape, he's got his hands full.
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