Seirena Lykos Thalassa

Σειρην   
A dangerous demi-goddess who lured nearby sailors with her enchanting music and singing voice to shipwreck. 
Rena: In Hebrew the word for joyous song.

Θαλασσα   
The primeval spirit of the sea and daughter of Aether and Hemera.  
Mother of the storm gods and the tribes of fish.