I'm not sure if you're using those terms correctly. The Governor loved Penny, so he couldn't technically be a sociopath, and he too was unpredictable. Afraid I may have been wrong, I used dictionary.com to find...
sociopath:
a person with a psychopathic personality whose behavior is antisocial, often criminal, and who lacks a sense of moral responsibility or social conscience.
psychopath:
a person with a psychopathic personality, which manifests as amoral and antisocial behavior, lack of ability to love or establish meaningful personal relationships, extreme egocentricity, failure to learn from experience, etc.