VIDEOS:
Sirenoid
Klaus' partner, Sirenoid, is a mermaid-like Bakugan, whose Anthemusa ability lets her lure her opponents to their doom with a beautiful song.
Example of:
Our Sirens Are Different
Sirens
Example of:
Our Sirens Are Different
The Canadian Siren
Example of:
Sirens Are Mermaids
Beef Enthralled By "Mermaids"
Example of:
Sirens Are Mermaids