Meril Cavendish (メリル ・キャベンディッシュ)
Meril and Maril are two twin sisters belonging to the Cavendish family, daughters of Daryl Cavendish and Diana's cousins. (Source: Little Witch Academia Wikia)
Voice Actors
Sarah Williams
English
Haruka Mikami
Japanese
Diana De Guzmán
Spanish
Ilaria Silvestri
Italian
Sina Zadra
German