Gogol
The Tail of Dikanka
S1 E5:
A seasoned detective rummages through Gogol's notes. Vakula, a religious man, pleads with Gogol for his daughter, who was born with a tail. Gogol suggests to seek aid from the Doctor. The old detective's devices are sought out, but he is underestimated by the local police. He accuses Gogol of being the horseman, but this accusation is short lived.