Alyson Oliver (known in Japanese as Rina Toin) is the main rival of Harriet Sanders and the love interest of Rex Owen appearing in Mermaid Melody. She has long dark green hair and blue eyes. Her main outfit is composed of: a white sleeveless 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 14 years old. When at work, her business uniform (complete with a skirt and not pants) is composed of: a white short sleeved shirt, blue miniskirt, tan pantyhose and green high heels.


  • Mrs. and Mr. Oliver (Parents)
  • Rex Owen (Love Interest)


  1. Feeling popular to Rex
  2. Leaning her styles
  3. Posing as a business woman in a miniskirt


  1. Feeling cocky
  2. Running late
  3. Being foolish

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