like mythical Sirens. Siryn once used this ability on Spider-Man, forcing him to divulge the truth about the Decimation of the mutants. She can prevent others from hearing external sounds by a certain vocal pitch so that she can secretly deliver messages to them. When Theresa killed the Morrigan, she gained numerous undefined mystical abilities. Her known powers include the ability to teleport by her own free will or to people who summon her using the correct ritual, heal her followers and people with a personal bond to her, and some form of immortality or longevity. She is able to revert Jamie to his human form and absorb laser blasts from a gun that can destroy Layla Miller's force field. Reception Accolades In 2014, Entertainment Weekly ranked Siryn 34th in their "Let's rank every X-Man ever" list. In 2018, CBR.com ranked Siryn 7th in their "8 X-Men Kids Cooler Than Their Parents (And 7 Who Are Way Worse)" list, 10th in their "20 Most Powerful Mutants From The '80s" list, and 15th in their "X-Force: 20 Powerful Members" list. In 2020, Scary Mommy included Siryn in their "Looking For A Role Model? These 195+ Marvel Female Characters Are Truly Heroic" list. In 2022, Screen Rant included Siryn in their "10 Best Marvel Characters Who Made Their Debut In Spider-Man Comics" list. Other versions Theresa appears in the What If? story "What If the X-Men Died on their First Mission?". After the X-Men's death on Krakoa, Beast hastily assembles a mutant team to combat Count Nefaria and his Ani-Men. At this point, Theresa is still under the guardianship of Black Tom and unaware of her father's existence and death. After learning the facts from Beast, she names herself Banshee in her father's honor. After foiling Nefaria and settling her affairs with Black Tom, she joins the newly formed X-Men team. Theresa appears in the series X-Man'' during the 1995–1996 "Age of Apocalypse" storyline, in which she is known as Sonique'''. She is a companion to Nate Grey, and fights alongside him and Sauron against Mr. Sinister. She is temporarily a member of the Sinister Six, who aid Sinister in attacking the X-Men, after being brainwashed by Jean Grey. She is freed from Grey's influence by Psylocke. A child version of Theresa appears in the Ultimate universe. She is seen as one of William Stryker, Jr.'s hostages, and is almost executed before