psychopath
ˈsʌɪkəpaθ/
noun
a person suffering from chronic mental disorder with abnormal or violent social behaviour.
synonyms: madman/madwoman, mad person, deranged person, maniac, lunatic, psychotic, sociopath
Multiple Personality Disorder
(Noun)
-a rare dissociative disorder in which two or more personalities with distinct memories and behavior patterns apparently exist in one individual-
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