The median is the 50th percentile: the point in the data where 50% of the data fall below that point, and 50% fall above it.
TL;DR: Gimli (depicted in the locket, and from The Lord Of The Rings) is the son of Gloin (glÃ³in In The). Hobbit gloin glÃ³in is the dwarf That shows legolas. The locket the locket depicts his wife, And-son gimli The same gimli Of the lord Of. the rings
Other Maiar in the Lord of the Rings include the Wizards (Saruman, Gandalf, Radagast, and the Blue Wizards), the Balrogs, and, if you're into the Silmarillion, Melian. The reason Sauron stands out as more powerful is that Sauron took up with Morgoth, the Valar who went bad early on. Sauron became his most powerful and trusted lieutenant (save Gothmog, the Lord of the Balrogs), and probably learned much from his master.