Shemeshka, also known as the Marauder and the King of the Cross-Trade, is a fiendish villainous NPC from the Dungeons & Dragons setting of Planescape. She is an Arcanoloth (a race of Yugoloth fiends that resembles jackals and foxes) who runs a guild of spies, thieves, assassins and gamblers in the interdimensional city of Sigil. She appears in the 5e version of Planescape as the main villain of the adventure Turn of Fortune's Wheel.