The Trenti comes from the folklore of Cantabria

Cantabria

Cantabria is a Spanish historical region and autonomous community with Santander as its capital city. It is bordered on the east by the Basque Autonomous Community , on the south by Castile and León , on the west by the Principality of Asturias, and on the north by the Cantabrian Sea.Cantabria...

, Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

. It is an imp

Imp

An imp is a mythological being similar to a fairy or demon, frequently described in folklore and superstition. The word may perhaps derive from the term ympe, used to denote a young grafted tree.-Folklore:...

-like creature that is annoying but not malicious. It is very difficult to see because it lives deep in the forest and resembles mushrooms, leaves, and moss. Its most distinguishing features are a completely black face with green eyes. This creature tends to stay away from humans but it does like to jump out of the bushes and scare innocent walkers. Its favorite prank is to pull women's skirts.