Cartrain's stencils have been spreading over the capital for a few months now. Most of the images here are from the Shoreditch area, but we found the Cluedo-style leaders opposite the Houses of Parliament.
Comparisons to London's most famous stenciler are inevitable. This is Banksy-by-numbers. The fellow even smuggled a dubious artifact into the British Museum recently.
So, keep an eye out for his work, and let us know when it gets a bit more exciting.