1. Schizophrenia --- Do You Hear What I Hear?
2. Multiple Personality Disorder --- We Three Kings Disoriented Are
3. Dementia --- I Think I'll be Home for Christmas...
4. Narcissistic --- Hark the Herald Angels Sing About Me
5. Manic --- Deck the Halls and Walls and House and Lawn and Streets and Stores and Office and Town and Cars and Buses and Trucks and... Trees and..... 

6. Paranoid --- Santa Claus is Coming to Town to Get Me
7. Borderline Personality Disorder --- Thoughts of Roasting on an Open Fire
8. Personality Disorder --- You Better Watch Out, I'm Gonna Cry, I'm Gonna Pout, Maybe I'll Tell You Why
9. Attention Deficit Disorder --- Silent night, Holy oooh look at the Froggy - can I have a chocolate, why is France so far away?
10. Obsessive Compulsive Disorder --- Jingle Bells, Jingle Bells, Jingle Bells, Jingle Bells, Jingle Bells, Jingle Bells, Jingle Bells, Jingle Bells, Jingle Bells...

 

I think I have seven and eight. and ten.... I find this highly funny...