Loki god of mischief and Loki god—learn the difference.
The Eddas know three different versions of the God Loki: Loki, Logi and Utgard-Loki. Whilst these are portrayed as three different personalities all three do overlap to a significant extent and demonstrate characteristics which may be derived from a single common source.
Frequently we find written that Wagner “incorrectly” portrayed Loki as a God of fire. Rudolf Simek in his Dictionary of Northern Mythology states:
“(Loge). A half-god created by R. Wagner in his opera Das Rheingold (tenor) who is the lord of fire. Loge probably is the result of Wagner`s confusion of the god Loki with the great Logi. In Snorri Logi is the personification of fire whereas the god Loki of Germanic mythology has nothing to do with fire.”(source)