Frederick Chase is the father of Annabeth Chase, Bobby Chase and Matthew Chase, the brother of Natalie Chase and Randolph Chase, the uncle of Magnus Chase, and the husband of Savanna Chase in The Gift of a Best Friend. He made his first appearance in I Meet a Girl Who Won’t Leave Me Alone.
- I Meet a Girl Who Won’t Leave Me Alone
- I Overhear a Planned Ambush (mentioned)
- The Attack (mentioned)
- I Share My Birthday With My New Friend Forever
- I Do Cool Things That I Didn’t Know I Could Do (mentioned)
- I’m Told the Worse News Ever (again)
- I Can’t Read
- Jasmine Makes Me a Beauty Queen
- I Get Sick (mentioned)
- I Breakaway
- I Lose My Best Friend
- We Meet Some New Friends (mentioned)
- I Get an Unexpected Surprise
- He is based on a character from Percy Jackson and the Olympians.