Seemingly bi-polar; bi-polar; having two or more personalities or additudes
Why must you be so smollum? Once second you're cheering me on and the next you're trying to make me cry.
handsome and wonderful character of lord of the rings, he's got a capital importance in the movie. I just love him, he is the true hero of the film and he deserves better than pity!
Gollum, stop bitting my finger! (frodo)