publication date: Wednesday, June 8, 2011 (part of Summer 2011)
clue: urban artist, or talented criminal?
explanation: Banksy was a celebrated graffiti artist. more…
solved by: Russ Wilhelm, Steve West, LaVonne Lemler, Samir Mehta, Chris Lemler, Richard Slominsky, Justin Woods, Matthew Preston, Denise Sawicki, Joanna Woods, Mike Rothstein, and Steve Dunn
trivia: The image used for the goo is widely considered to be Banksy's self-portrait.