Nanny Num Nums or Nanny McFear is Rosebud's evil, youth-stealing babysitter who appeared in the episode "Nanny Num Nums (Nanny McFear)."
She appears to be a nice grandma at first and she constantly speaks in rhymes. However, once she gains your trust, she will suck out your youth and energy.
- Her name 'Nanny McFear' is a parody of the character from the show with the same name: Nanny McPhee.
- Her black umbrella could be a reference to Mary Poppins.