Jack Boniface is a fictional character from the comic book series Shadowman, published by Valiant Comics. He is known as a supernatural hero who battles dark forces and protects the world from evil entities. Jack is often depicted as a reluctant hero, grappling with his powers and responsibilities. In the series, Jack Boniface is connected to the Shadowman mantle, which grants him abilities tied to the spirit world. His character explores themes of redemption and the struggle between light and darkness, making him a complex figure in the realm of comic book storytelling.