I don't know who this Monty Oum guy is, but I'm absolutely in love with his work:

Haloid
http://www.youtube.com/watch?v=K9sYixr2miY

Dead Fantasy
http://www.youtube.com/watch?v=5uZzRnJ1mn0

Dead Fantasy Part II
http://www.youtube.com/watch?v=O5ZFcee3BuE

Now I'm gonna go play some video games...