Anita Radcliffe (or Anita Dearly in the live-action version and television series) is a character from Disney's 1961 animated feature film, One Hundred and One Dalmatians and 2003 sequel.
A 30 minute short film where after the animators at Disney Studios leave for the day, suddenly Mickey and Minnie jump out of the pictures and round up all the animated Disney characters in history for one giant group photo after 100 years.