Spirit of the Mansion

The is a character from  who lives in the Seashell Mansion.

The Spirit of the Mansion will give Link a Secret Seashell if he enters the mansion when he has already five or ten seashells. When Link has collected at least 20 seashells, the spirit gives him the Level 2 Sword.

(Cagiva)
In the, Nakura, the ghost who wants to be taken to his house, is the one who gives Link the more powerful sword.