The Maiar are those spirits which descended to Arda to help the Valar to shape the World. Singular is Maia. There were supposed to be numerous, yet not many were named.
Their chiefs are Varda
Each of the Maiar was associated with one or more particular Vala. For example, Uinen, as spirits of the sea, belonged to Ulmo, while Curumo, who came to be known in Middle-earth as Saruman, belonged to Sauron (originally also of Aul?s people), Aiwendil, who was known in Middle-Earth as Radagast the Brown and belonged to Yavanna, and Ol?in, known as Gandalf, who belonged to Varda. Alatar and Pallando, known as the Blue Wizards, traveled to the east, and never returned to the west. Their fate is unknown. The Balrogs, like Sauron, were Maiar corrupted by Melkor. Their associated Vala is not known. Melian served both Vana and