Leah is Alexa's very first best friend. They have been friends since Pre-K. Leah has never been in a fight with Alexa Santamaria. She is not friends with Paige Houden or Kaylee Houden. Leah is not a mermaid. We will never see Leah in the series though. She is also friends with Rachel Teston Leah is portrayed by Dedra Massey.
Rachel Teston on/off