Gandalf is a wise and powerful wizard who appears in the fantasy novels The Hobbit and The Lord of the Rings by J.R.R. Tolkien.
He is one of the Istari, a group of wizards sent by the Valar to guide and aid the peoples of Middle-earth in their struggle against the Dark Lord Sauron.
Gandalf is known for his long grey beard, his pointed hat, his staff, and his fondness for fireworks and pipe-weed.
He is a friend and mentor to many heroes, such as Bilbo and Frodo Baggins, Aragorn, and the members of the Fellowship of the Ring. He has many names and titles, such as Mithrandir, the Grey Pilgrim, the White Rider, and the Servant of the Secret Fire.