Nickname: None
Date of Birth:

Age: 17

Hometown:  Keystone, California

Present Location:  2 Blue Jay Court, Keystone, California
Parents:  Percy and Dana Marrone 

Siblings:  Patrick Marrone and Sally Marrone 

Marriages:  None

Romances: Unknown
Children:  None

Friends:  Nick Hendersen

Enemies:

Occupation:  High-School Junior at Keystone Regional High School

Car:  Blue-Green and Gray 1994 Chevy Lumina Minivan

Date of Death:  Still Alive

First Book Appearance:  Book 5-A Traditional Keystone Christmas

Other Interesting Facts:

• Mark plays the cornerback position for Keystone Regional High School’s football team.