Atsuko Kagami (Himitsu no Akko-chan)

Atsuko Kagami  (加賀美 あつ子(1st anime), 加賀見 アツコ(2nd anime), 加賀美 あつこ(3rd anime), 鏡 厚子(manga))

A girl who got the magic compact which can transform itself into anything from Queen in Mirror Kingdom. (Uncle in manga)

Her magic spell is "Tekumaku Mayakon, Tekumaku Mayakon!"