Mary Poppins (portrayed by Julie Andrews, later Emily Blunt) is a magical and loving woman who descends down from the clouds in response to the Banks children's advertisement for a nanny. She is not only firm in her use of authority, but gentle and kind as well (a major departure from the original books, in which the character was strict and pompous). She travels to help children everywhere when they are most in need.
- Mary Poppins will appear in Jeffrey, Jaden, Hiccup and Friends' Storm Adventures of Disney's Believe.
- in Craig & Friends meet Mary Poppins, it is revealed that Craig is the reason why Mary's "Practically Perfect in every way."