Banksy is an English street artist, political activist and film director whose real name and identity remain unconfirmed and subject to speculation. His art is characterised by anti-war, anti-capitalist and pacifist messages. He practises street art, for which he uses stencils. A small number of Banksy's works are officially, non-publicly sold through an agency created by Banksy called Pest Control. Banksy's documentary film debuted at the Sundance Film Festival in 2010: ''Exit Through the Gift Shop (2010)''.