[Name] Zerelda Brass [Nickname] Zerelda [Appeared in Form] Form 3 [Note] 
A US Exchange student, she believes she has acting skills. Demoted from fourth form to third and eventually shown by Miss Hibbert that she has no acting talent. Her real talent is story telling and comedy, and she befriends Mavis. She went back to America in the fourth novel but was mentioned again as one of Gwendoline's former "Friends".