Doctor Psycho is a fictional character appearing in DC Comics publications and related media. Traditionally presented as an adversary of Wonder Woman, he was first introduced to comics readers in the 1940s by Wonder Woman creator William Moulton Marston. He has since undergone several minor updates over the years as comics continuities have shifted and evolved. In his original appearances, Doctor Psycho demonstrated a command over the occult and was able to harness supernatural energies. Since 1987, he has been presented as a powerful telepath. Despite these changes, Doctor Psycho has consistently been portrayed as suffering from mental illness (ranging from mild obsessiveness to full-blown insanity), possessing a diminutive stature, and harboring a misogynistic hatred of women.

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