Niko is a young commoner boy, with scruffy light hair falling to the sides of his face that partially covers his forehead. His robes are a little tatty and he wears a large bell cap which seems a little too big for him. He also carries a Beherit which is later revealed to be destined for Balzac.
He is a simple-minded and cheerful boy.
Some villagers once teased him and beat him. He died, hungry and alone, one winter night near Eriza's church; she couldn't hear him due to the heavy blizzard storm. Soon after, a Mandragora tree grows from his corpse.
- He resembles Nico from the Berserk manga, though it is unclear if they are intended to be the same character.