Hakase Shinonome

Hakase Shinonome is an eight-year-old scientist whose extraordinary intelligence contrasts with her unmistakably childlike personality. She loves sharks and snacks and created Nano Shinonome.

Hakase constantly gives Nano strange new functions, often without telling her beforehand, including a machine-gun right hand and a swiss-roll dispenser. She also refuses to remove Nano's conspicuous wind-up key because she thinks it is cute.