Dr. Girlfriend is a fictional character from the animated series The Venture Bros. Her real name is Dr. Monarch, also known as Dr. Thaddeus Venture Sr.
Dr. Girlfriend is the main antagonist and romantic interest of the series' main character, Hank Venture. She is a brilliant scientist and skilled fighter who uses her intelligence and cunning to achieve her goals.
Dr. Girlfriend is a complex character, and her true identity is revealed throughout the series. Her relationship with Hank Venture is a major plot point, adding layers of intrigue and conflict to the show.