Wikipedia
Pombero
The Pombéro is a mythical humanoid creature of small stature being from Guaraní mythology. The legend, along with other mythological figures from the Guaraní, is an important part of the culture in the region spanning from northeast Argentina northward through the whole of Paraguay and southern Brazil. The Pombéro is said to capture particularly ungrateful girls, and force them to kiss him, and later, force them to have sexual intercourse with him.