Enenra
An Enenra (煙々羅 en'enra, lit. "lightweight-fabric smoke"), sometimes enraenra (煙羅煙羅), is a yōkai, or Japanese monster, that is composed of smoke.
Mythology
It resides in bonfires and when it emerges, it takes the form of a human. It is said that an enenra can only be seen by the pure of heart.
The character 羅 in the enenra's name is meant to draw a comparison between the enenra and the lofty characteristics of lightweight cloth.
Popular culture
In the 2011 video game Mortal Kombat, it is revealed that the character Smoke (who makes his first human appearance in the game in almost two decades) is an Enenra.
On the anime Shaman King, the character Sharona uses a Spirit called Enra Enra that resembles the power of an Enenra.
In Forbidden Scrollery, a manga series that is part of the Touhou Project universe, an Enenra is introduced to the story's world, where it goes to different houses creating fake smoke, eventually having Reimu and Marisa exterminating it.
In the manga Mushishi, the main character, Ginko, smoke a tobacco which smoke is a mushi (Mushi being something like "yokai" instead simply "bug").
In the game and anime series Yo-kai Watch, there is an Enenra that is referred to by its alternate name Enraenra, and was introduced in the Yo-Kai Watch 2 games, with Enraenra being referred to as a Classic Yo-kai. Enraenra also has a pre-evolved form, with it being named "Koenra".
There is a Japanese performing arts company that "fuses video art with live performance" called enra, with their named derived from Enenra.