The Bureau for Paranormal Research and Defense (B.P.R.D.) is a fictional organization in the Hellboy comic book series created by Mike Mignola. It is dedicated to investigating and combating supernatural threats, including demons, ghosts, and other paranormal entities. The B.P.R.D. employs a diverse team of agents, including the iconic character Hellboy, who is a half-demon with a strong sense of justice. Founded to protect humanity from the unknown, the B.P.R.D. operates globally, often collaborating with other supernatural beings and organizations. Their missions are filled with danger and intrigue, as they confront ancient evils and uncover hidden truths about the world around them.