Matthew Chase is the son of Frederick Chase and Savanna Chase, the twin brother of Bobby Chase, and the step-brother of Annabeth Chase in The Gift of a Best Friend. He made her first appearance in I’m Told the Worse News Ever (again).
- I’m Told the Worse News Ever (again)
- I Get Sick (mentioned)
- I Breakaway
- I Get an Unexpected Surprise
- He is based on a character from Percy Jackson and the Olympians.