Alyson Oliver is the main rival of Harriet Sanders and the love interest of Koji Minamoto appearing in Mermaid Melody. She has long dark green hair and blue eyes. Her main outfit is composed of: a white short sleeved shirt, a green bracelet on her left wrist, blue pants and green high heels. She is voiced by Kerry Williams (in the same tone as Flora from Winx Club). At her age, She is 13 years old.


  • Mrs. and Mr. Oliver (Parents)
  • Koji Minamoto (Love Interest)
  • Harriet Sanders (Rival)


  1. Being nice to Koji
  2. Going for pro
  3. Working for free


  1. Being argued with Harriet
  2. Ruining her life
  3. Breaking in a remorseful way

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