Nicholas "Nicky" Harper is one of the quadruplets and one of the four protagonist in Nicky, Ricky, Dicky & Dawn. He's the last quad born.

Nicky is portrayed by Aidan Gallagher.



Nicky is quirky, funny, inventive and full of energy. When you're part of a family like the Harpers, you have to be prepared for pretty much anything. Head stuck in a fence? Been there, done that. Nicky’s got the answer to almost everything. He finds his way out of the stickiest of situations, no problem. That’s probably why he loves to say, ‘I told you so.’


  • He is the youngest quad by four seconds.
  • He is the shortest quadruplet.
  • He wears boxers.
  • He has a passion for cooking.
  • It's possible that his favorite color is green.
  • He is the brother to Ricky, Dicky and Dawn.
  • He is the son to Tom and Anne Harper.
  • He wanted to name their dog ''Gary
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