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    Mary Hamilton (Earth-1: Pre-Crisis)

    With one more saved life, one more cancer-free scan, one more smile because if we can do that every day, together, we can leave this world a better place than how we found it.
    — Dr. Mary Hamilton, M.D.[src]

    Dr. Mary Hamilton, M.D.[6] is a medical student and the owner of Gotham City People's Clinic. Hamilton is also the daughter of Catherine Hamilton-Kane and the step-daughter of Jacob Kane, and the step-sister of Kate Kane.

    Suspecting her step-sister's secret actions, Hamilton investigated her and discovered that Kate Kane is Batwoman. Hamilton immediately joined the Bat-Team as its medic and assisted Luke Fox in Batwoman's operations in Gotham. However, Kate was caught in a plane accident and was presumed deceased by many, Hamilton then worked with Ryan Wilder, who stumbled across the Batsuit and witnessed the accident by the beach.

    Months later, Hamilton, Ryan and Luke worked together in search of Batman's missing trophies who were stolen by a brainwashed Kate Kane. In the process, Hamilton was kidnapped by Poison Ivy and was infected by one of her vines, slowly converting her behaviors into that of Pamela Isley. Hamilton's infection caught Alice's attention and intentionally triggered Hamilton's transformation into the Poison Ivy, before working together to escape Gotham City.

    Biography[edit | hide | hide all]

    Early Life[edit | hide]

    Mary Hamilton was born to Catherine Hamilton, CEO of Hamilton Dynamics on May 17, 1995. Catherine was later married to Jacob Kane, while Hamilton grew close with Kane's daughter Kate.

    Becoming a Doctor[edit | hide]

    Hamilton later studied medicine at Gotham University Medical School, meanwhile treating patients who could not afford medical procedures at a secret clinic.

    Caped Crusader[edit | hide]

    Secrets of Kate Kane[edit | hide]

    Death of Kate Kane[edit | hide]

    Replacement[edit | hide]

    Cluemaster[edit | hide]

    "Zombie Apocalypse"[edit | hide]

    Saving Luke Fox[edit | hide]

    Kate Kane's Betrayal[edit | hide]

    Evening of Anarchy[edit | hide]

    Missing Trophies[edit | hide]

    Mad as a Hatter[edit | hide]

    Fail-Safe[edit | hide]

    Sisterhood[edit | hide]

    Traumatic Experience[edit | hide]

    Poison[edit | hide]

    Sunshine[edit | hide]

    The Dark Side[edit | hide]

    Powerful[edit | hide]

    Meet Your Maker[edit | hide]

    Merely a Battery[edit | hide]

    Battle at the Dam[edit | hide]

    Having Fun[edit | hide]

    Living with Death[edit | hide]

    Alice's Choice[edit | hide]

    Underserving[edit | hide]

    Powers and Abilities[edit | hide]

    Powers[edit | hide]

    Former Powers[edit | hide]

    • Transformation: After being kidnapped and infected by Poison Ivy, Hamilton started growing a fascination over plants and developed a rash on her forearm.[7] Her infection then worsened and gave her the abilities of the original Poison Ivy, allowing her to transform into a powerful Metahuman under exposure to sunlight.[1] Additionally, the vine infected Hamilton's prefrontal cortex, making her an impulsive individual who only did something she ever dreamed of.[8]
      • Chlorokinesis: Hamilton has the ability to control plants according to her will.[1] She was also able to summon roots of countless plants from the ground and tangle Batwoman with them.[3]
      • Hypnotism: Hamilton has the ability to hypnotize individuals.[3][9]
      • Sporeling Transference: After being desiccated for 10 years, Pamela Isley was forced to absorb the power from Hamilton to regain her strength.[4]
    • Healing Blood: Hamilton was cured of Alice's poison with the Desert Rose, briefly giving her the ability to heal any form of diseases through blood transfusion.[10]

    Abilities[edit | hide]

    • High-level Intellect: Hamilton possesses an exceptional intelligence and was able to study complex medical concepts.
      • Medical Knowledge: Hamilton studied at Gotham University Medical School and learned different medical knowledge that she utilized to treat patients all over Gotham City.

    Equipment[edit | hide]

    Former Equipment[edit | hide]

    • Poison Ivy Suit: After fully transforming into Poison Ivy, Hamilton began utilizing a green protective suit.[3]
    • Laser Saw: Hamilton briefly used the Laser Saw in order to rescue Batwoman from a chain of locks.[11]
    • Taser: Hamilton utilized an Advanced Taser M26 to threaten Alice.[12]

    Appearances[edit | hide]

    Pilot Appears
    The Rabbit Hole Appears
    Down, Down, Down Appears
    Who Are You? Appears
    Mine Is a Long and a Sad Tale Appears
    I'll Be Judge, I'll Be Jury Appears
    Tell Me the Truth Appears
    A Mad Tea-Party Appears
    How Queer Everything Is Today! Appears
    An Un-Birthday Present Appears
    Take Your Choice Appears
    Drink Me Appears
    Grinning from Ear to Ear Appears
    Off with Her Head Appears
    Through the Looking-Glass Appears
    A Narrow Escape Appears
    If You Believe in Me, I'll Believe in You Appears
    A Secret Kept from All the Rest Appears
    O, Mouse! Appears
    Whatever Happened to Kate Kane? Appears
    Prior Criminal History Appears
    Bat Girl Magic! Appears
    Fair Skin, Blue Eyes Appears
    Gore on Canvas Appears
    Do Not Resuscitate Appears
    It's Best You Stop Digging Appears
    Survived Much Worse Appears
    Rule #1 Appears
    Time Off for Good Behavior Appears
    Arrive Alive Mentioned
    Initiate Self-Destruct Appears
    I'll Give You a Clue Appears
    And Justice for All Appears
    Armed and Dangerous Appears
    Rebirth Appears
    Kane, Kate Appears
    Power Appears
    Mad as a Hatter Appears
    Loose Tooth Appears
    Freeze Appears
    Antifreeze Appears
    A Lesson from Professor Pyg Appears
    How Does Your Garden Grow? Appears
    Pick Your Poison Appears
    Trust Destiny Appears
    Meet Your Maker Appears
    Toxic Appears
    Broken Toys Appears
    We're All Mad Here Appears
    We Having Fun Yet? Appears
    Flesh and Mud Appears

    Notes[edit | hide]

    • Hamilton owns a Porsche car licensed 2R7-6W5.[13]

    Gallery[edit | hide]

    Promotional Images[edit | hide]

    References[edit | hide]

    Other versions of Mary Hamilton
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