Gollum: Schizophrenia or Multiple Personality Disorder?

…Gollum displays pervasive maladaptive behaviour that has been present since childhood with a persistent disease course. His odd interests and spiteful behaviour have led to difficulty in forming friendships and have caused distress to others. He fulfils seven of the nine criteria for schizoid personality disorder (ICD F60.1), and, if we must label Gollum’s problems, we believe that this is the most likely diagnosis.

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About the author

She plays o' the viol-de-gamboys, speaks three or four languages word for word without book, hath all the good gifts of nature, knows a hawk from a handsaw, and can see a church by daylight. The rest is subject to fancy.