​From Wikipedia, the free encyclopedia Mr. Brainwash ("MBW") is a pseudonym for Thierry Guetta in the film Exit Through the Gift Shop, directed by Banksy. Guetta is presented in the 2010 film as a French citizen who now lives in Los Angeles, having been a proprietor of a clothing store and videographer who evolved into a street artist and gallery artist, influenced by the street artists he documented through video over the years. According to the film, Guetta was first introduced to street art by his cousin, the French street artist, Invader.…