Dr. Frederick Mixter, played by Ford Rainey, is a character in the 1981 film Halloween II.
Dr. Mixter is the attending physician at Haddonfield Memorial Hospital when Laurie Strode arrives on Halloween night. She had been attacked by Michael Myers and suffered a cut on her arm and a broken ankle.
Dr. Mixter is found later in his office by Nurse Janet Marshall. He had been killed from a syringe stabbed into his eye.