What villainous singer can use her voice to control people's minds?

Portrayed by Joan Collins, the Siren is a talented chanteuse - able to sing seven octaves - who can use her voice to put any man who hears it under her control. She uses this power to hypnotize Bruce Wayne, only for Batgirl and Robin to interfere with her plans and save him.

Asked by Ben Jenkins · Last updated 3 years ago · 19K views