She was a late admission to Hogwarts due to being an orphan, she has no memory of her mother or father. The surname Douglas came from the fact she was raised in the village of Douglas in Scotland.
Twin - has a twin brother called Angus who is in Hufflepuff
She ended up on the school and ministry's radar due to som accidental wandless magic.
The summer before 5th year, she moved to England to study under Professor Fig, and he's like an uncle to her now.
She was sorted into Slytherin, the Sorting Hat was quick with its decision.
She has an aptitude for Beasts class, and feels passionately about rescuing the animals from poachers. She's very appreciative of Deek's help.
She owns her own shop in Hogsmeade - Vesters and Venum. She freed Penny the house elf, but she stayed on at the shop anyways, and has stuck to the 9pm closing time so Fastidio gets free reign and none of her customers are bothered by the poltergeist.
She eventually learns from Natty to become an animagus, her form is a fox, which matches her patronus.