Narcissistic - "Hark the herald angels sing about me"
Paranoid - "Santa Claus is coming to get me"
Manic - "Deck the halls and walls and house and lawns and streets and office and kitchen and ....."
Multiple personalities - "We three queens disoriented are"
Obsessive compulsive -"Jingle bell bell bell bell bell bell..."
Passive aggressive - On the first day of Christmas my true love gave to me and took it away"
And my favorite:
Schizophrenic - "Do you hear what I hear?"