MF Doom

This was obviously a work-in-progress when the initial photo was added, it has been turned into something of a masterpiece in modern art now.
A colourful new wall in Duckboard Place, artist Matt Hannah

Work is the portrait of belated hip hop artist MF Doom (Daniel Dumile). He famously wore a distinctive metal mask modeled directly after the gladiator helmet worn by Russell Crowe in the 2000 movie Gladiator.