The Shadow Man appears in almost the backstory of almost every character. He appears as a silohuette in the backstories as to conceal his identity.
The Shadow Man is extremely mysterious and powerful, with a vast amount of wealth. He is in reality the god of fate, making him one of the most powerful gods in existence.
The true identity of the Shadow Man is to be revealed.
The Shadow League is employed to him.
The Shadow Man is a genius, powerful, wealthy, and very, very mysterious. To be honest, he's a bit of a creep.