This page covers the Marvel comicbook hero Siryn also known as Tracy Cassidy , Terry , Sy . If this is not the page you were looking for check here.
Origin
Theresa was born when her father, Sean Cassidy, was away on a secret mission. Sean was unaware that of her birth. Unfortunately Theresa's mother died during birth and she was raised by her uncle, Thomas Cassidy, also known as Black Tom Cassidy.
Black Tom kept her existence a secret from Sean, who would later become the X-Man known as Banshee. Black Tom raised the child into a life of crime, and when Siryn was first introduced, she was an enemy of Spider-Woman's. Eventually she was reunited with her father. She followed in his footsteps in becoming a mutant hero. She became a member of the mutant team, X-Force (and was a team leader). She also spent some time with X-Corporation, a mutant search and rescue organization.
X-Factor Investigations
Siryn recently joined X-Factor: Investigations, formed by her former lover, Jamie Madrox.
When she first joined, Siryn was obtaining information from a woman named Victoria. Victoria had fallen "in love" withSiryn, but this was just because of Siryn's new found power, using her vocal cords to persuade anyone (bar mutants) to fall in love with her and be suggestable to anything she says, which Siryn used on Victoria to get information on Mr. Manetta, a man who made mutants lives miserable. Siryn pulled the pages from the envelope, and the pages are blank. The bar their in is suddenly richoted with bullets, killing Victoria. Siryn screams as Victoria dies in her arms. Siryn runs outside to chase after the gun man, insulting Strong Guy who's on the sidewalk outside, and was supposed to be back up. Siryn screams at the car and knocks it over, throwing out the woman who shot at them in the bar. Siryn shouts (shouts, not screams) at the woman to shoot at her, but the woman commits suicide.
Back at base, Siryn is just staring at bottle of alcohol, as Layla Miller enters. Layla asks if she's going to drink it, but Siryn explains that she used to be an alcoholic and just intends on staring at it.
As Strong Guy and Siryn talk over Layla, Layla drops in quickly that the woman who shot Victoria was "an operative for a Detective Agency called "Singularity Investigations," a kind of a security outfit for the rich and famous" as Layla said. Siryn does intend on storming into Singularity, but Layla tells her that that isn't a good idea, and she should take the client who's about to enters case (we see that Singularity had been expecting Siryn, but because a new force of chaos had been been introduced, her destiny had changed). Siryn takes the clients case, Gloria Santiago, who believe's that her sister is being mind-controlled because she's been acting differently recently. Siryn goes to spy on Gloria's sister, and find out that it's not mind-control, but actually that she'd been sleeping with actress Jack Vaughn.
We see Siryn talking in her sleep about Ewan McGregor and lightsaber and about venturing down the toilet with him, and when she's woken up, she finds out that Gloria Santiago has been arrested for the murder of her sister.
Siryn flies Jamie over to the crime seen, and uses her persuasion power to get past a police officer. She is about to make Jack Vaughn confess to what really happened with this power too, but is stopped by Damian Tryp. The two then fly down to the police, to try and get the truth from Gloria, but she is in so much shock, she can't remember anything. Siryn then leaves when M arrives to read Gloria's mind to find out the truth, so Siryn flies back to Mutant Town to help out with the invading authority trying to stop the riots in Mutant Town. Strong Guy and Wolfsbane managed to hold them off, but Siryn delivered the final blow and sent the authorities with a scream.
Beaten
Siryn offers Rictor to come and eat with her (after they get back to HQ), but he refuses. On the way to the cafe, Siryn is brutally attacked by Damian Tryp Jr. (because X-Factor humiliated the firm), and left her to die in an alley. She is then taken in by a crazy ex-mutant doctor, who treats her injuries. She was hit in the neck with a drug that rendered her unable to speak or scream (that's why she couldn't retaliate), so she couldn't escape from the doctor's bonds, who kept her gagged and bound. Luckily, Rictor re-accepted Siryn's offer of breakfast, and decided to follow her. He arrives at the theatre where she's being held captive, and just as the crazy ex-mutant is about to attack him, Siryn breaks free and takes a single shot, pushing the ex-mutant, given Rictor a chance to kill him. She is then carried back to HQ by Rictor.
Siryn spends the next issue in bed, resting an recovering from her injury. A proper doctor comes to check out her injuries, revealing that it was a planned attack and the attacker knew where to hit to hurt her without killing her.
Denial
As Siryn recovers, she is visited by Cyclops, and receive's the news that her father's dead. Siryn doesn't even re-act to this, and enters a state od denial, believing her father is just hiding to fool the enemies, and thinks he's still alive and says she isn't going to spend her time being upset only to have him waltz back into her life. Siryn watches the video her father left for her, explaining that she know owns Cassidy Keep. He also leaves her his special pipe, that he was given by his father.
Civil War
Madrox gave Siryn the mission of tracking down major superheroes to try and find the truth about the Decimation. She tracks down Spider-Man, and after helping him take down a crook, uses her persuasion to get him to tell her everything about the Decimation, and when she finds out, she's not happy at all. She thinks that they should go to the Institute and demand the truth, but then the X-Men show up in Mutant Town, demanding Quicksilver, but X-Factor show up themselves to defend him. Colossus makes a tiny gesture and Siryn sonic lanches him, knocking him back. After a convincing speech by Jamie, the X-Men then leave.
Love Triangle
After Jamie gets drunk, he releases his libido dupe, and one sleeps with M and one sleeps with Siryn.
When the team attack Singularity Investigations, Siryn goes with Rictor to get the information on what Singularity was doing.
The group then go to see Doc Samson for a therepy session, we see that Siryn is still in denial about her father's death, and is quite happy about getting back together with Jamie.
When Siryn finds out about the love triangle, she gives Jamie the silent tratment, because she believes that if she starts speaking she will then start screaming and destroy the whole city block.
Layla later forces M and Siryn to be friends, because their not talking because of the love triangle. M suggests a shopping trip to Paris, which Siryn accepts, and the two fly out.
Paris
The two eat in a restaurant while talking, and hear a noise from outside. They run out to see a riot, burning down a mutant hostal, filled with depowered mutants. Siryn and M defend it, but when the police turn up, they decide to go peacefully instead of being fellons. In prison, a man walks by who had just been arrested, and boasts about how the gang of rioters went back to the hostal after the police left, and burned the police to the ground.
After M crucified the man, the two broke out of jail and returned to the hostal, to find that the man was right, and it had been burned to the ground. Outside, they see the girl from the hostal window they saw the night before. She tells them her name is Nicole, and after a short discussion, M decides to take her home, despite Siryn being against the idea. They fly back in M's private jet, the same way they got there, but now as friends.
X-Cell
When they return home, the team are facing a new crisis of the terrorist X-Cell. Layla gives each two members a note with a place to be to find X-Cell. Siryn and M go and stand on a corner of a street, and after they are believed to be hookers, three members of X-Cell turn up, Fatale, Marrow and Blob. Marrow stabs Siryn in the shoulder, and after being sat on by Blob, she screams and sends him flying.
After this brief encounter, back at HQ, Madrox sows up Siryn's shoulder.
Siryn then helps the others take down X-Cell.
Isolationist
When some grandparents come to X-Factor asking for them to help them see their grandchildren again, the case is given to Siryn and M.
The two go to one of the children's concerts (the grandchildren are the "Purity Singers", children who go around singing about how the world would be much better without mutants), and Siryn uses her persuasive powers to get past the guards. While backstage, the two are attacked, and Siryn is shot at, but the bullet only grazes her head and leaves her unconscious.
When she wakes up, she's bagged and gagged to a chair in a small cabin, with M who has been chained to the floor. The two who attacked them were Solo and Clay, hired by Joseph Huber (The Isolationist).
M finally breaks out of the chains, and the two escape. While the Purity Singers and their parents are in an elevator, M and Siryn take the elevator to the grandparents, where the family are reunited. While M flies back to HQ, Siryn stays with the family.
Messiah CompleX
In 2007/08 X-Men crossover event, Messiah Complex, Siryn answers the call of Peepers who phones X-Factor believing he's being followed. When she finally arrives at the road he was driving on, only to find his car to be off the road, crashed, and Peepers body mauled.
She then prayes over Jamie's unconscious body, praying for him to wake up, which he does.
She then takes part in the final battle on Muir Island.
The Only Game In Town
This arc begins with Siryn in a confessional booth, confessing about how been using the Lords name in vain, being jealous of M's iPhone and how she's been having impure thoughts baout Jamie. She then revealed that she is also pregnant, and it's Jamie's baby (this confirms who's pregnant, because Nicole earlier in the series found a pregnancy test, and fans had been debating who was pregnant).
Note - We also find out in X-Factor #28 that because Siryn was so jealous of M's iPhone, M bought one for her and the other X-Factor women
We then see Siryn and M talking about her prenancy, and M suggests an abortion, but Siryn quickly dismisses the idea. M also says she's Siryn's best friend now since Wolfsbane's gone.
Next, Siryn tries to tell Jamie she's pregnant, but he jumps to the wrong conclusion and believes she's leaving. M says that Siryn would have realised this if she wasn't in love with him. She tries to tell him again but he's called away by Strong Guy. When M hears Rictor calling, Siryn flies after her with a Madrox dupe.
After M is taken down, Siryn arrives on the scene as Rictor manages to save himself from castration. Siryn then saves Rictor when he's nearly run over by Arcade's cars and manages to figure that the place where the robot was receiving it's commands was close (well, M did the work before that, but...).
Powers
Siryn has sonic powers as a result of her mutation, like her father, but has displayed abilities he hasn't. Siryn can sonic scream, and these scream are powerful enough to shatter glass, knock people out and apparantly, destroy a city block. Siryn can also channel her scream into a "sonic lance", where she screams a tightly focuses the sound vibrations, and causes can use it to cause incredible pain, inflict damage, stun and shatter objects.
Like the Siren's of the myth, Siryn can use her voice to make people fall in love with here, and in this state, they are suggestable to anything she suggets/asks. Mutants are immune to this power, but other superhumans aren't, like when she used her power to make Spider-Man tell her everything about the Deimation, after she was set a mission by Madrox. It doesn't matter what gender the person she uses her seduction powers on. When she uses this power she tends to emphasize on letters in the words, and use seductive language.
Siryn is able to use her sonic scream to fly, by screaming using it to propel herself. It is not known how she is able to use her voice to make her fly as well as others, as theoretically, she should only be able to float/levitate, but somehow she flies properly.
Siryn can also use her powers to enhance her hearing, use it as a radar sense of sorts, create force fields, stop current sounds from reaching others and talk so only one person can here (her powers are more like Sonokinesis than just sonic powers, but that is how they're described).
Siryn is immune to all of her powers.
Status
Movie Appearances
Siryn appears in two of the three X-men Films. She is played by Shauna Kain. Her physical manifestation and her powers have stayed the same from what we have seen. In X2, Siryn is one of the children captured by William Stryker's men. Though she was tranquilized, she managed to wake up the entire school so they could escape. Her "Last Stand" appearance is nothing more than a few cameos.
Alternate Realities
Earth-295
Siryn of the Age of Apocalypse universe.
Movie
Siryn appeared in X2: X-Men United and X-Men: The Last Stand and was potrayed by Shauna Kain.
Creators
Siryn was created by Chris Claremont and Steve Leialoha
Siryn Appears in These Volumes
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