Aye-aye spirit

The Lemur Spirit is a spirit in Avatar: Legend of Korra

History
When Wan was traveling through the Spirit Wilds, he came across an oasis. When he tried to enter, the Lemur Spirit through him out. Later, after Wan freed the Cat Deer, the Lemur Spirit helped him, and allowed him to stay with the spirits, christening him "Stinky".

Trivia
The Lemur Spirit's role is similar to the role of the bridge toad in Miyazaki's Spirited Away.