Even though Calvin Candie doesn't appear until we're midway into the film, he somehow demands the entire story around himself. DiCaprio crafted a memorable performance for someone who wasn't technically a "main character."
Azog the Defiler - Manu Bennett
Azog the Defiler, also known as The Pale Orc, is one of the key villains in The Hobbit. Manu Bennett brought the role to life quite literally. Everything about this character was done in CGI, so he had to work extremely hard to make sure that the mannerisms and facial features looked good.