Multiple personality disorder

Multiple personality disorder, also known as a split personality or a dual personality, was a mental illness in which a being would develop one or more separate identities in addition to their original personality. These personality states would recurrently take control of that being's behavior, and would differ from the host personality in characteristics and mannerisms. Sometimes, the traits of an alter would be modeled after that of another individual's personality. The host may or may not be aware of the alternate personalities, and likewise for the alters to be aware of the host, though the personality states could enter into conflict with each other. The condition typically would arise from periods of severe stress or psychological trauma and could affect Gands and Humans in varying severity.

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