Seamoon

Seamoon is a supporting character in Children of Mana.

Children of Mana
Seamoon is a mermaid and the proprietress of the Silver Mermaid, the Mana Village shopping centre, as well as the person for whom it is (presumably) named. She can always be found in a bathtub in front of the entrance to the building. She offers gameplay advice to the player.

Circle of Mana
Seamoon makes a cameo appearance alongside many other characters from the Mana series.

Echoes of Mana
Seamoon appears in a Memory gem.