- Name: Madison "Maddy" Kerrington
- Origin: Britain, but has lived...everywhere.
- Age: 15
- Description: Medium height with a fairly muscular and lean body, long curly black hair and black eyes. Exotic-looking and gorgeous.
- Random Facts: Well, she's Sirius's illegitimate daughter from one of his youthful...liasons. And she's just like him in so many ways, it's frightening.
- Thoughts: Well, things will never be boring with her around.