Hyde (2004)

You can't run from Hyde... Two brilliant but misunderstood scientists race to unlock the mystery of man's dual nature. They succeed, unleashing a murderous beast on a terrified city. As suspicion and treachery grow, the startling secret of the beast's origin is revealed. Steve Niles (30 Days of Night) and Aadi Salman (Silent Hill: Dying Inside) deliver a powerful and frightening tale of duality, deception and death.