Librarian at Hogwarts, very strict and suspicious. Brandishes a feather duster (SS12). Highly suspicious of students. Places nasty spells on books to make sure they're returned on time.

Madam Pince
hair: 
eyes: 
voice:
distinguishing features: thin and irritable
appearance: like an underfed vulture (CS10)
age: older
field: librarian, old version (guardian of the books)
interests: following rules, protecting her books from nasty, scabby little students