Spied near Mare Street, Hackney.
via architizer.com
Arnold Circus, Shoreditch, London.
Giant animal mural, distrinctive style of Roa.
Spied on Chance Street, off Bethnal Green Road (near Shoreditch High Street station).
Updated 06/07/2012:
Here it is in daylight - less sinister.
Street art : Old Truman Brewery, London.