Who is John "Stef" Stefanovitch from The Midnight Club and what is their importance?

John Stefanovitch, or Stef, is a police detective. Stef has been investigating a man he knows as the Grave Dancer for a long time and is about to arrest him when he and his men are ambushed by the Grave Dancer's men. Stef attempts to escape the ambush but is shot in the back by the Grave Dancer himself. When Stef awakes, he learns that not only will he be wheelchair bound, but that his wife was shot in their home the same night. Stef has lost not only the use of his legs, but also the woman he loved more than anything else in the world.