That interesting name made me curious to know its derivation. from dr. bill's url:
Ondine (Undine) was a female water sprite who loved a knight but was condemned to stay awake in order to breathe.

The plot of the play Ondine by Jean Giraudoux (1882-1944)reminds one a bit of The Little Mermaid:
http://www.samshammas.com/ondine.htm: Ondine is a water-sprite, ostensibly fifteen-years old, and attracted to the world of mortal man

http://www.stereophile.com/showarchives.cgi?527:5 lists earlier artistic references to Ondine.