Magnus Chase-He is a half blood because his father is Frey. Frey is the god of ecological fertility, bountiful harvests, wealth, and peace. Magnus lives in Boston with his mom until, she was killed by wolves. After this he became homeless due to the fact that his mother died and his dad was a god. He was homeless for a long time, until he was told that he was endanger and that his uncle Randolph needed to see him."Wrongly chosen, wrongly slain. A hero valhalla cannot contain"

Samirah Al Aabbas-She is a half blood because her father is Loki. Loki is the god of Giants. Samirah lives in Boston with her grandparents, because she lost her mother when she was younger, her father comes and sees her occasionally but she does not like his ethics. Samirah gets her role of importance by saving kids at her school from a frost giant, by doing this Odin the god of wisdom and the sky, comes and asks her if she wants to be a Valkyrie. Just before Magnus's 16th birthday Odin tells her to collect Magnus's soul. "Bravery has to come from the heart without any thought of reward."

Hearthstone-He is an elf that was born in Alfheim. His parents did not accept him because he was def. Hearthstone's brother died and his parents thought that he should have died and not his brother. When he grew up and had a choose to drink from Mimir's well he was given two choices. One was to gain hearing and be accepted, the other was to practice magic. He choose to practice magic because that is what he wanted to do all his life. By drinking from Mimir's well he had to do service for Mimir and that service was to watch over Magnus."Be an empty cup."

Blitzen-He is a dwarf half blood because his mother is Freya and his father was a dwarf. Freya is the goddess of love. His father was an inventor, one day when he went to go check the bonds of Finris the wolf he died by the wolf. He and Hearthstone met because Blitzen wanted to have his own fashion label. He like Hearthstone drank from Mimir's well to figure what his dream was and how to avenge his father."I hate the word demigod. I prefer born with a target on my back."