Dr. Mrs. The Monarch (formerly Doctor Girlfriend, birth name Sheila) is a fictional character on the Adult Swim animated series The Venture Bros. Professional partner and wife of the supervillain The Monarch., Dr. Girlfriend is voiced by co-writer Doc Hammer, though she was voiced by Jackson Publick in her first appearance, “The Terrible Secret of Turtle Bay.” After the finale of season 2 and beginning with season 3, this character is referred to as Dr. Mrs. The Monarch.
"Skilled and capable, she is often the only thing that makes the Monarch's plans even remotely viable."
Dr. Girlfriend (first name Sheila) is a veteran super-villain, serving as second-in-command for many different super-villain and having used an assortment of costumed aliases over the years. She has a doctorate in an unnamed field, and appears proficient in mechanics and general sciences, as evidenced by her having built the Monarch's first pair of functional wings, his ill-conceived "sunshine gun", and several tracking devices used for her own purposes.
At the start of the series, Dr. Girlfriend’s relationship with the Monarch had already begun to suffer due to his vendetta against the Venture family. In hopes of trying to bridge the gap between the two sides, she briefly convinced the Monarch to reach out to Hank and Dean Venture as a friend when Monarch confided to her the revelation that Dr. Venture emotionally neglected his children on a regular basis. Despite her efforts, the Monarch continued his vendetta against the Venture family throughout the first season, until their breakup in "Trial of the Monarch".
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