female
Lavender is the deuteragonist of Roald Dahl's novel Matilda and the tritagonist of its 1996 film adaptation. She is a student at Crunchem Hall Primary who befriends the titular protagonist.
Lavender (Matilda)
Newts
for Newts in Sorting Fictional Characters by Which Pet They'd Have
Suggested by sarahlalbuquerque
So, you love animals? A lot of fictional characters have lots of pets, maybe you could help them.