Luke Maddison
| Jack Maddison | |
|---|---|
| Race | Earth |
| Other names | John |
| Born | 2005 |
| Age in novel | 20 |
| Occupation/rank | Student |
| Family | Susan (sister) Meg (sister) Emily (sister) |
Jack Maddison is one of the four Maddison siblings who enter Altierra in the novel The Snow Beyond the Wall. He is the eldest of the group and is 20 years old when he first enters the world.
