Marlize DeVoe

"Please. Don't. Forget. He's lying to you. He's drugging you. He's a monster! You must escape! Escape now!"

- Marlize's heartbroken and tearful video log to herself, upon realizing that her husband is using her.

Dr. Marlize DeVoe is a professor at Central City University, and the wife of Clifford DeVoe and partner-in-crime in his secret activities as "the Thinker". She is the co-creator of the Thinking Cap and the sole creator of Clifford's other cybernetics that allow him to stay alive despite his deteriorating physiology.

Path of enlightenment
Marlize was pursuing doctorates in Engineering and Robotics in the University of Oxford circa 2006. There, she met with Clifford DeVoe, with the two of them falling in love and later marrying. The DeVoe family developed a "plan of enlightenment", with them upgrading the "delivery system" of knowledge at the universities. The DeVoe couple both moved to Central City, getting jobs as professors at Central City University. However, the results of their plans were lackluster, with Clifford feeling like he needed greater brainpower to handle the teaching process. Wanting to help him out, Marlize looked at Clifford's Thinking Cap schematics and developed the device accordingly. Their plan to activate it required greater power, and they came to believe that the S.T.A.R. Labs particle accelerator, created by Dr. Harrison Wells. Marlize and her husband went to the press conference that Wells had organized and Marlize asked him if he had truly considered every possible outcome. Wells insisted that he had and asked for her name. When he heard her surname, he guessed the identity of her husband and said he was "a fan of his work." Marlize guessed that Wells was lying and was planning for the reactor to explode to produce a greater dark matter phenomenon, but Clifford told her that this outcome would be even more beneficial to their plan. As Clifford tested out the Thinking Cap, he was hit by a wave of dark matter and a bolt of lightning, becoming a meta-human. Marlize, seeing that Clifford lost his consciousness after being hit by lightning, tried to revive him and cried in despair, thinking that her husband was dead. He came alive, however, claiming to be enlightened.

Over the months that followed, Marlize saw that her husband's intelligence had skyrocketed. He told her that he now knew the answers to all the perceivable questions that have or could ever be asked. But then, Clifford started collapsing, and they realized that his brain was draining the energy of his own body to fuel itself. In essence, his intelligence was feeding off of him, and he would soon die. To prolong his life, Marlize helped design a special chair that would grant energy to his brain so that it wouldn't feed off of his body so much. It succeeded, but they both knew that it wouldn't last forever.

Secret activities
Marlize placed a cover back on a Samuroid, noting to Clifford DeVoe how it had served its purpose, bringing the Flash back to Central City. She then asked him what their next step would be. Before, that Clifford DeVoe and Marlize lived in South Africa. Marlize DeVoe is the wife and assistant to Clifford DeVoe.

She later walked in on Clifford completing Schubert's unfinished Eighth Symphony. She then told him of Ramsey Deacon's incarceration in Iron Heights Prison, the first of many they'd have to find.

Shortly after, the woman noted how Team Flash had found Becky Sharpe quicker than they'd anticipated, suggesting that they were smarter than previously thought.

When the woman found that the prediction algorithms showed that Team Flash was closing in on DeVoe's identity faster than predicted, she went to confront him. He told her that it would all end with his victory which confused her but asked her to continue as she seemed to want to take the conversation by the long way. She told him of Team Flash's progress in learning about him, suggesting he had miscalculated their prowess. DeVoe claimed not to be worried, having considered every variable as well as every possible way for the conversation to end. She asked how would it all end and he finished with his earlier statement that it would end with his victory. When Harry and Cisco Ramon had learned of DeVoe's identity, the woman warned him that they were about to have guests. When Joe West and Barry Allen arrived and rang the bell for their house, she went to greet them happily and calmly. They seemed a little surprised about their welcome but asked if Clifford DeVoe was there and she told them that he was. Telling her that they just needed to speak with him, he came to the door in an electric wheelchair.

Personality
"A helper? Is that what you think I am? A mindless minion carrying out her master's bidding? Some sort of evil secretary? No, Mr. Allen. I am now and forever will be my husband's partner."

- Marlize DeVoe to Barry Allen

Marlize is a stern and goal-oriented woman, often times getting short with her husband, Clifford during times when she thinks his plan is ludicrous. Despite this, she has also been seen being very loyal to him as his wife, caretaker and literal partner in crime. Indeed, she took great offense to Barry Allen even suggesting that she was her husband's henchwoman, or, to use her own words, "some kind of evil secretary", vehemently affirming that she is loyal to her husband absolutely.

That being said, she is shown to be uncomfortable with her husband's plan to transfer his consciousness into the body of an innocent man and then discard his older, failing body. Whether this was out of concern for her husband's safety, general discomfort at the prospect of loving her husband in an unfamiliar body, some level of moral discomfort at the prospect of murder, or a combination of all three, is unclear.

Prior to her transformation into her husband's partner-in-crime, Marlize seemed a warmer person, having a sense of humor and appreciation for things Clifford dismissed as "inane". He noted that he would be nothing without her, a claim that holds weight given how Marlize appeared to keep him grounded and perhaps still does even after both have transformed into hardened criminals.

Marlize was initially utterly loyal to her husband, even in regards to disposing of Barry Allen, as she bluntly tells Barry's wife, Iris West-Allen that she is willing to do whatever she has to for her husband, even eliminating men like Allen who are "in the way". However, after Clifford's murder of Warden Wolfe, Marlize began to show some doubts towards her husband's plans, as she did not expect him to take such drastic or ruthless measures. Recognizing this, Clifford took steps to keep Marlize docile so as to ensure her continued loyalty and keep her increasing discomfort with Clifford's crimes from making her leave him. Once realizing how ruthless and corrupted Clifford had become in his goals to the point of erasing her memories to keep her docile, she came to accept that her husband had become a monster, being left heartbroken and devastated by the betrayal. Unfortunately, Clifford would repeatedly erase her memories each time she came this conclusion, repeating a loop that she isn't even aware of.

Abilities

 * Genius-level intellect: Marlize is very intelligent, two advanced degrees (presumably doctorates as she's referred as a doctor) in Engineering and Robotics. Her talents are pivotal in aiding her husband, Clifford, in his work as a professor and as the Thinker.
 * Master of deception: Like her husband Clifford, Marlize can be very deceptive, effectively convincing David Singh that Barry Allen was harassing her husband and even slapping him, in order to make this lie of hers convincing; resulting in the latter being (unfairly/wrongfully) suspended from the CCPD.
 * Master engineer: Marlize is a master engineer as she was able to create the Samurai robots, her husband's cerebral enhancer and his mechanical hovering chair, as well another of other devices. Marlize also was part of the creation of the Thinking Cap that Clifford used to get his super intellect and knowledge..
 * Expert physicist: Marlize has an expertise in physics, teaching a class "Introduction to Fluid Mechanics and Physical Thermodynamics" at Central City University.
 * Culinary expertise: Marlize is said to have great skill in cooking by her husband as he stated her mac and cheese are unlike anything else.
 * Swordsmanship: Marlize is capable of fighting with a sword (specifically a katana blade) though it is presently unknown whether this is via natural skill or under her husband's influence/mind alteration.

The Flash
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Season 4
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Trivia

 * Unlike most partners of the villains from the Flash show, Marlize seems to be the most manipulated of all, at least after her husband resorts to using drugs on her and erasing her memories every time she figures out what he is doing is wrong and tries in vain to escape over and over. This is contrast to the other "partners" to the main Flash villains, who joined them willingly, fearfully, or not even knowing that they were being used:
 * Eobard Thawne used Team Flash for his plan to go back to the future until they figured out who he truly was.
 * Laurel Lance was loyal to Zoom out of a shared love of destruction and sadistic violence.
 * Killer Frost joined Savitar willingly after he showed himself due to the fact that he was a future version of Barry.
 * Marlize DeVoe does not appear in DC comics she only appears in The CW The Flash.