Grinko is a character appearing in Professor Layton and the Diabolical Box. He is the curator of the Herzen Museum.
Grinko wears an orange jacket, teal sweater red trousers and black shoes. Grinko is one of the few character throughout the Professor Layton games with a beard. He has dark brown hair and black eyes.
Grinko's main job is Herzen Museum curator, but his employer, Beluga, often sends him around to sniff out leads on the Elysian Box. Grinko is one of the few people in town who fully comprehends many of the town's secrets.