It is unknown when Moira was exposed to and infected by the meteor rocks of Smallville, or when she began to display powers. Moira first left her family when Chloe Sullivan was five, eventually divorcing Gabe Sullivan. In 1995, when Chloe was eight, she realized that she had the power to telepathically control Chloe. One day, when Chloe came home with ink all over her hands, Moira told her to go wash them. However, when Chloe decided instead to play on her computer, an enraged Moira used her power and ordered her to scrub her hands until all of the ink was gone. When she came to check on Chloe, there was blood all over the bathroom because Chloe had scrubbed her hands raw. Horrified at what she had done, Moira voluntarily committed herself in order to protect Chloe from her. It is unclear if she ever lived in Smallville with her family after they moved there in 2000, but she was at least physically absent from her daughter's life by the time Chloe started high school.

When Chloe was twenty years old, she began to realize her actions were being manipulated by an outside source. She assaulted Lex Luthor and stole a flash drive from him, but could not clearly remember doing so. Lex had transferred Moira out of Forest Glen Sanitarium into Level 33.1 and was trying to use her powers for his benefit. He told Moira that if she did not obey, she would never see Chloe. Moira controlled Chloe to alert her of her captivity.

Although Moira maintained that she could only control her daughter, Lex proved her wrong by commanding a metahuman named Lowell to attack her. When a violent psychopath escaped, Moira used her powers against Lex by commanding the escapee to kill Lex. When Lex discovered what she had done, because of her refusal to cooperate, Lex threatened Chloe's life. Moira tried to get Chloe to leave Smallville as quickly as possible, but she was intercepted by Lex's men and thrown into Level 33.1 as a prisoner in the same cell as her mother. There, Chloe discovered her mother was the one controlling her, and that Lex has developed a drug to wake her from her catatonic state. Chloe and Moira attempted to escape by using Lowell. Moira was caught but Chloe was able to overpower a guard and took a smoke grenade launcher from him, which she fired at Lex when he attempted to block her escape. Clark Kent arrived and saved Lex's life and broke Chloe and Moira out of Level 33.1.

Clark took Moira and Chloe to Queen Tower for safety. While Chloe left to secure a permanent safe place for her, Moira revealed that the drug only works for twenty-four hours. As she slipped back into her catatonia, Clark told her all about her daughter's accomplishments. After Chloe returned, she begged her mother to make a deal with Lex for the drug, but Moira refused. Minutes later she relapsed into her catatonic state.

Two years later, it was revealed that LuthorCorp had saved a piece of Moira's spinal fluid and made it into an injectable serum. They injected it into Chloe Sullivan and Oliver Queen. They injected it into Chloe to make her help them track down Green Arrow. Then they injected Oliver with the formula to make him find out what happened to Lex Luthor. Oliver, in his hypnotized state, shot Clark with arrows and almost killed him—and would have, had it not been for a friend of Clark's. The serum seemed to be experimental however, since it wears off in a few minutes.


  • Moira was portrayed by two different actresses. In the Season 5 episode "Tomb", she was portrayed by an uncredited blond woman, whose face is not shown. In the Season 6 episode "Progeny", she was portrayed by Lynda Carter who is better known for her her portrayal of Wonder Woman.
  • Her birthday is September 20, 1960.



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