Isilwens Lord of the Rings Theories
To begin with, I should let you know that after you read these, men in black suits and dark sunglasses will come to your door looking to kill you. That being said, enjoy!
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Orcs were mean because Saruman and Sauron were only paying them .50 cents per day, fed them moldy bread and they couldn't leave because Sauron put those zap collars on each one of their necks.
Gimli is really Worf from Star Trek: The Next Generation beamed into Middle-earth by accident and forced to live under cover as a dwarf.
Orcs were all hypnotized by Saruman to be mean and nasty. They are all just mutated kitty cats underneathe the armor.
Peter Jackson was going to give the part of Gimli to Doc the Dwarf from 'Snow White' but he couldn't keep his lines straight.
Legolas wore contacts.
Before the world almost became overthrown by the Dark Lord Sauron, the four hobbits Merry, Pippin, Sam and Frodo were members of a hobbit band called The Buckland Boys.
More theories still to be made, continue checking for updates!