**Note : This information comes from the HoMe series of books, which means that it is considered to be from J.R.R. Tolkien's earlier, unrevised writings. Therefore, this information cannot necessarily be considered canonical.**

Olofantur was the earlier 'true' name of the Vala Lórien before it was replaced by Irmo in The Silmarillion.

The name Olofantur can be found in HoME 1, 4, 5, and 10.
Encyclopedia entry originally written by Lady~Eowyn