Horror On The Orient Express
Sedefkar the Osmanli
A medieval sorceror
Little is known of this 12th Century Turkish mage. He possessed the Simulacrum and associated his name with it, though it is much older than he.
According to The Devil’s Simulare, Sedefkar worked evil sorcery from a lair called the Red Tower in Constantinople at the time of the Fourth Crusade, feeding on the blood and chaos of the city’s fall. A team of Crusaders attacked him in his lair and by mysterious means, wrested away the Simulacrum, and slew him.