Magnus Chase is the cousin of Annabeth Chase, the son of Natalie Chase, and the nephew of Frederick Chase, Savanna Chase and Randolph 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 Share My Birthday With My New Friend Forever
- Jasmine Makes Me a Beauty Queen
- I Breakaway
- I Lose My Best Friend
- He is based on a character from Magnus Chase and the Gods of Asgard.