11.58K Lacey Donohue 02/10/14 05:42PM Filed to: Dumb Art Dumb Art Dumb Starbucks Marc Horowitz Starbucks Los Feliz It looks like the man behind Dumb Starbucks is not Banksy, Jimmy Kimmel, Marc Horowitz, or Shia LaBeouf. It's definitely Nathan Fielder of Comedy Central's Nathan For You.
