Nickname:  None 
Date of Birth:

Age:  53 

Hometown: Palmdale, California 

Present Location:  43 Parakeet Road, Keystone, California
Parents: 

Siblings:  Wayne O'Brian 

Marriages:  Lisa Schwartz

Romances: Unknown
Children:  Justin O’Brian and Edward O’Brian

Friends:

Enemies:

Occupation:  Owner of the Keystone Kottage

Car:  Black Dodge Intrepid  

Date of Death:  Still Alive

First Book Appearance:  Book 5-A Traditional Keystone Christmas

Other Interesting Facts:

• Clark is very firm in his beliefs and values and expects his sons to follow them.

• Responsibility and strong work ethic are two things Clark expects from everyone.