Dawn Harper is the child heroine of Nicky, Ricky, Dicky & Dawn and the main protagonist.
She was portrayed by Lizzy Greene.
She is the oldest of the quadruplets by four seconds. Although she is depicted as a tomboy, she enjoys a lot of girl things as well. In a season 1 episode, she gets her own room so she can have her own space. Although she's always seen bothering her brothers, she does care about them deeply.