Gandalf

Gandalf is the wizard protagonist of The Lord of the Rings series. He has been the best friend of Gerontius Took and later the Old Took's grandson, Bilbo Baggins and has been a father figure and mentor towards Frodo Baggins.

History
Gandalf (originally named Olórin) (?—25 January 3019; revived as Gandalf the White) is one of the Istari Wizards who had no fixed residence. He came and went as he pleased.. In the Valar,Gandalf was known as Olórin and was sent to Middle-earth in human form asa Guardian there. He was friends of Many races, but never the evil races that served Sauron or had deep, dark purposes. Gandalf later became known as Gandalf the White after falling in a battle with Balrog of Morgoth.