Hattori (The Mother) is Ember's (The Daughter's) and Dusk's (The Son's) mother. She is Koji's (The Father) wife as well as Wu Shang's (The Grandfather's) daughter-in-law.

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When The Grandfather parted ways with the family, The Mother left the family shortly after the Children's birth.

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When The Mother learned about The Son's passing, she found her way back into the drama. To aid her in battle, she exploited her cyborg physiology as well as her John Cena personality. Using her technological knowledge, The Mother had reprogrammed The Robot to also assist her in battle.

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When The Mother learned about The Daughter's passing, she went on a vengeful spree, attacking non-antagonistic individuals. Sometime after, she and The Robot both teamed up to find a way to cheat death on The Daughter's behalf. During their hunt, she reunited with The Father, who had never wanted anything to do with the conflict, lacking purpose in battle. She and The Robot had figured out the key to getting The Daughter back: by penetrating spacetime to enter Heaven. After a battle with Spongebob, she discovered that The Daughter has been held captive by the Galactic Federation. Although brainwashed by her jailers and released to attack the duo, she overcomes the influence and returns home, alongside The Mother and The Robot.