Sirens are a specialization of the telekinetic power, manifested through voice.
“Add Image Anna-Lize Derrascorra , code name Diva, is a Siren with a sonic stun...Diva
“Add Image Karine ?, code name Glissade, is a Russian Siren who can shatter armorglass with her...Glissade
“Chorale (real name unknown) is a Siren. She appears in the Winter 2007 term Siren's special...Chorale
“Ligeia (no real name known) is a Siren, and the T.A. for the Winter 2007 Special Topics - Powers...Ligeia