According to The Silmarillion, there were 12 Valar in total, or 13 if one were to count the Dark Lord Morgoth, who was a fallen Vala. However, in an older draft of The Silmarillion, Tolkien ...

Instead, Sauron aligned himself with Morgoth, giving him incredible power, which allowed him to take a physical form. But wizards weren’t the only Maiar on Middle Earth. Apart from Sauron ...