This seemingly-immortal character is completely absent from the Peter Jackson movie trilogy.
Who is Tom Bombadil?
Gandalf (the Grey)'s elven nickname.
What is Mithrandir?
The Steward of Gondor.
Who is Denethor?
Sam performs this service for Frodo.
What is gardening?
Though it lasts nearly 40 minutes in the film, this battle only lasts 9 pages of the 400+ page novel.
What is the Battle of Helm's Deep?
The orcs catapult these over the walls of Minas Tirith, not to kill any men but to demoralize them.
What are the severed heads of Gondor soldiers?
The strongest breed of orc.
What are Uruk-hai?
The largest city in Rohan.
What is Edoras?
The giant spider who nearly eats Frodo.
Who is Shelob?
Though only a few minutes of screentime pass in the film, this many years pass between Bilbo's 111th party and Gandalf's return to Bag End with knowledge of the One Ring.
What is 17 years?
Fangorn is another name given to this Ent and the namesake of the forest of the Ents.
Who is Treebeard?
Arwen gives this up to be with Aragorn.
What is immortality?
Where Galadriel and Celeborn reign.
What is Lothlorien?
The youngest of the four hobbits in the original Fellowship.
Who is Pippin?
According to the appendices, it took Frodo and Sam approximately this long to travel from the Shire to Mt. Doom.
What is six months?