FBI Special Agent called to investigate Laura Palmer's murder. He relies on dreams and visions to uncover clues, frames Jacques Renault, and investigates the supernatural origins of BOB. He enters the Black Lodge to find Annie Blackburn, but his evil doppelgänger emerges in his place, taking over his life while the real Cooper remains trapped.
Cooper treats Bobby as a key person of interest in the murder investigation.
Cooper relies on Donna's discoveries to advance the case.
Cooper identifies and apprehends Leland as the primary antagonist.
Audrey harbors a romantic crush on Cooper and actively seeks his attention.
Lead FBI agent and local sheriff collaborate closely throughout the investigation.
Explore the full interactive character relationship map of Twin Peaks