His known names, usually given to him by various peoples:
-Gandalf ("Elf of the Wand", though he is not an elf) by various peoples. Titled as "Gandalf the Grey" and "Greyhame" or later "Gandalf the White".
-Mithrandir (Sindarin "Grey Pilgrim", "Grey Wanderer") from the Elves, also used by the Men of Gondor.
-Tharkûn, from the Dwarves.
-Incánus, from somewhere in the South.
-Olórin, which he was called in the West in Aman.
He has also been called various other things, some of therm derogatory, although they are not used as proper names.
Gandalf was known by different names to different peoples: Gandalf to Northern men, Mithrandir to the elves and Dunedain (as in Gondor), and Tharkun to the Dwarves. Olorin was his true name as a Maia.
They all look different They have different colored hoods.
Wood mostly, I think. But of course, it is a magic staff, after all, so we can't be completely sure.
Frodo knows Gandalf because Gandalf was like Bilbo (Frodo's grand-uncle) guardian on Bilbo's adventures. Now, Frodo knows Gandalf through Bilbo.
Gandalf has several names, depending on the language of those he is dealing with:Gandalf - Common Speech; used by men, hobbits, etc.Mithrandir - Sindarin; used by most elvesOlorin - Valarin; used by the Valar & Maiar in the Undying Lands (his original name, as he is of the Maiar)etc.
Gandalf was known by different names to different peoples: Gandalf to Northern men, Mithrandir to the elves and Dunedain (as in Gondor), and Tharkun to the Dwarves. Olorin was his true name as a Maia.
Gandalf does not have a particular last or sir name. His is called by many names by different races, creeds and peoples. The most common are Gandalf the grey or white, gandalf greyhelm or Mithrandir. There may be more, but I cannot remember off the top of my head. Actually, the name is greyhame (cloak), and he is also known as Stormcrow by Rohan.
Gandalf was originally known as Gandalf the Grey. After his rebirth, he became Gandalf the White in replacement of Saruman. Gandalf the Grey and after his resurrection he became Gandalf the White.
They all look different They have different colored hoods.
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Gandalf. Gandalf appears in novels that have been around for more than 50 years. Buzz Lightyear was not in our solar system 50 years ago.
There are a sufficent number of wizards in literature and myth that I would need to know which set of stories or mythologies you are referring to. If you are referring to the Lord of the Rings, for example, you have Gandalf the Grey, Gandalf the White, Saruman (all different manifestations of Gandalf), and Sauron.
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Gandalf.