Gandalf is the main protagonist of the Middle-earth legendarium of J. R. R. Tolkien.
He is a very old, wise, and powerful wizard, and one of the five Maiar who entered the world of Arda at the dawn of creation before becoming the Istari. Once a member of the high order of wizards, he travels all around Middle-earth visiting friends and embarking on journeys. Being thousands of years old, he is known far and wide by all men, elves, dwarves, hobbits, and evil such as Sauron and Orcs. He is the servant of the Secret Fire, wielder of the flame of Anor, which is said where he is to be from. During the Third Age, he guides Frodo in destroying the One Ring and participates in several battles during the War of the Ring. He offers to guide Frodo to Mordor to destroy the Ring and several comrades of all races join them.