Manu Bennett (born 10 October 1969), also known as John Bennett or Jon Bennett, is an Australian-New Zealand actor. He is known for his portrayal as the Gallic gladiator Crixus in the Starz television series Spartacus. He is also acclaimed for his performances as Azog the Defiler in Peter Jackson's The Hobbit trilogy (2012-2014) based on the The Hobbit by J. R. R. Tolkien, and as Slade Wilson/Deathstroke in The CW TV series Arrow.