Sylar is….
going to suffer a comic book death at the end of Season 1 and come back in Season 2 or 3 by poster SOG - 15th post in thread - (thread titled: Everyone is wrong about Sylar - Part I)
taking the brain to gain the victims powers or maybe thats not syler at all you never know by poster HamBuster (Thread titled: Sylar's Power)
a Shogoth by poster Paradox (Thread titled: IMPORTANT Uluru = Ayers Rock***************) 15th post in the thread
the one who offed Claire’s parents in the beginning by our benevolent overlord Sam 74th post in Official Episode 1.04 ("Collision") Thread
from the future, hence why Hiro had to warn Peter by poster Cameo_Naton Thread title: A Theory about Sylar (Possible Spoilers?)
Sylar is hunting Uluru by poster Mathsorcerer - 2nd post in "So the cheerleader's dad is SOOOO Sylar" thread. daveknockwin/12th pit/#8081 po
Sylar is Claire's bio-dad daveknockwin/17th pit/#8135 po
Why would the Heroes writers make Claire adopted unless it added to the story?
SYLAR and his WATCH by poster sixflags11804 Link = Thread name (Ticking bombs, time, deadlines, identifyers, and reasons why Sylar killed Chandra are discussed)
Religious motivation for Sylar? by poster Ikin Link = Thread name - possible Religious motivation for Sylar is discussed throughout the thread and Uluru gets mentioned a few times
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Speculations about Sylar’s powers and abilities
Sylar Speculations about Sylar’s duality start in this post by xXalter-egoXx Further posts discuss this – Marcos/24th pit/#6432 po
dichotomy of good and evil prc/25th pit/#6435 po
MPD like Niki Drknght/30th pit/#6696
shape-shifter or illusionist
Official Sylar Discussion Thread by poster Kylixer (NO super speed or flight, but YES telekinesis, rock hard skin or metal armor, jumping or wall-crawler, chronokinesis, and could possibly be the rock hard creature in the comics aka Uluru) Link = thread title
Can eat people’s brains to absorb their powers – this has been discussed by so many that I figure you’ll run into this theory quite a few times if you click on all of the Sylar links (Official Sylar thread by Kylixer would be a good start – moa said it in there I know – as well as a post made by hyzmarca in Official Episode 1.02 Discussion Thread! -- SPOILERS!! )
Can regenerate – see above
able to make himself invisible by poster Drknght (20th post in Official Sylar Discussion Thread)
able to freeze stuff by poster Emerson (14th post in Official Episode 1.02 Discussion Thread! -- SPOILERS!!)
a master of kinesis forms by poster gigabite (43rd post in Official Episode 1.02 Discussion Thread! -- SPOILERS!!)
able to absorb people’s intelligence and that is how he had a more intricate map than Chandra Suresh by poster ncmacasl (30th post in Official Episode 1.03 Discussion Thread! -- SPOILERS!!) and michael_crawford/38th pit/#4637 po
Sylar is a telepath and can sense other heroes by poster michael_crawford (
who also in this post correctly surmised that Niki killed DL’s crew and took the money – same post also proposes the little girl is Claire’s sister ) – technically the $2 million was actually discussed in a later post by tsong_woman while in the Mathsorcerer/50th pit/#4665 po

Sylar is
able to levitate himself and has telekinesis Mathsorcerer/79th pit/#4760 po

Sylar is
using astral projection to kidnap the little girl in FBI HQ in LA by poster Mathsorcerer (same post – also
Sylar is stealing other people’s brains to juice up his own powers but I believed someone else had the same thought earlier in the thread but I am unsure)
able to control metal by poster TheClerk (Thread titled: Sylar's Power)
able to control telekinesis by slowing molecules by poster Dargan Thread title: Looking for a biology / physics wiz And as some idiot *cough*SOG*cough* said chronokinesis, it really is CRYOKINESIS which is discussed as well as preserving memories problems with freezing, cloning, and various philosophies of what constitutes "oneself." boats, manhood, and strawberries also make cameos
a power mimic like Peter? by poster HiroIsMyHomie - 9th post in Save the Cheerleader...Save the World. What does that mean? - This is discussed further in the thread
having Magneto-like powers? by poster BaseballerX - Thread title: Maybe Magneto like instead..... - telekinesis and freezing are also mentioned in this thread
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Speculations about Sylar’s identity (along with who will play Sylar)
Claire’s adoptive father HRG (In thread titled: We Have Already Met Syler Ep 102 Spoiler) by poster eastcoasters
Is Sylar being played by Sean Bean?? by poster michael_crawford Later in the thread both beautiful_scars and refswife1 have some interesting pics dealing with Sean Bean and how he compares physically to Sylar) Thread title: Does IMDB tell us something about Sylar?
Peter and Nathan's father...not really dead? by poster I HAVE THE POWER TO DRINK Later in the thread TheDreadPirateTrulove/3rd pit/#6936 po
Paul E. Sylar is 44 years old Thread title: Syler's identity?!
Claire’s biological father or bio-daddy or bio-parent by poster Sylar (Same post – HRG is searching for Peter’s power so Sylar can be defeated) and rebuttal by BaseballerX in post #7441 with a reply by Sylar in post #7459 Thread title: Sylar is Claire's father!
Sylar could be Nathan and Peter’s Father Petrelli by poster vmarti1 - 33rd post in "Easy explanation for Peter is Sylar theory" thread - Shapulin/40th pit/#7508 po
Sylar is Future Peter Petrelli
either Peter from the future or Peter’s father by poster ncmacasl (4th post in "SOME THOUGHTS" thread)
Patient Zero by Sam, our benevolent overlord (probably stated elsewhere, but this was the first post I came across so for now Sam gets the credit) (6th post in "Episode 1 Question" thread)
Nathan and Peter’s father by poster BaseballerX (16th post in "Episode 1 Question" thread)
the man in the bar and not the person who tried to kidnap the girl at the LA FBI HQ by poster Jo (17th post in Official Sylar Discussion Thread)
Patient Zero by poster ford prefect (52nd post in Official Episode 1.02 Discussion Thread! -- SPOILERS!!)
Niki’s alter ego Jessica/Ikin by poster ncmacasl (post also has some theories about Simone’s dad – Shaft) (59th post in Official Episode 1.02 Discussion Thread! -- SPOILERS!!) Dolph/64th pit/#3906 po
Sylar is also HRG by poster Dolph (who also post speculation that
the ‘s’ symbol is Sylar’s calling card ) Sam/83rd pit/#3964 po
Sylar is The Bugman who tried to bug Mohinder/Chandra Suresh’s apartment thatsplunkintalk/109th pit/#4103 po
Sylar is Nathan Petrelli since politicians are evil 12th hero/150th pit/#4272 po
Sylar was in a police uniform speculation when he killed the girls parents
Chandra “Papa” Suresh by poster TheDreadPirateTrulove (89th post in the Official Episode 1.03 Discussion Thread! -- SPOILERS!!)
hijacking Chandra Suresh’s body by poster 12th hero (later in the thread Tobnameless has a rebuttal - 14th post in the thread, post #5012 overall) (Thread titled: Sylar pics here)
The Mysterious Black Man (MBM) who is working with HRG by poster Maximus901 in thread titled "I found Sylar!" (numerous rebuttals followed later in the thread)
Eden McCain/Squeaky/Pixie by poster Vanil - 18th post in thread - (thread titled: Everyone is wrong about Sylar - Part I) vmarti1/28th pit/#5617 po
Paul E. Sylar born on June 11, 1962 (Mathsorcerer makes a few notes about the significance of that date in the next post and vmarti also does this later on in the thread)
Peter in the Future by poster Paradox TheDreadPirateTruLove/17th pit/#5719 po
Sylar is Peter’s Dad In post #5740 Paradox defends his original post) (Thread titled: Sylar is Peter in the Future)
NOT Peter but possibly his double by poster HeroFanScott (basically
Peter gets next to Niki and inherits an evil twin which becomes Sylar ) in post #5860 coldsoup2006 makes a rebuttal and in post #5891 BaseballerX posts his theory on how DL is Niki’s alter ego Thread title: Syler is Not Peter but possibly his double
that black guy and is the ‘symbol maker’ by poster sixflags11804 (same post -
that S is probably a sign of evil and Niki has a bipolar thing and Sylar could have put the symbol on her earlier ) Tadgie has a rebuttal in post #5460 later in the thread as well as commonGiGA in post #5467 (Thread titled: Official Episode 1.04 ("Collision") Thread) Discussion starts with the 41st post in the thread
Mr. Linderman by poster xXalter-egoXx (110th post in Official Episode 1.04 ("Collision") Thread)
that homeless guy in like episode 3 or 4 when Mohinder confronts Nathan Petrelli by poster Mathsorcerer (my personal all time favorite speculation) (6th post in Tim Kring tells Sci-FI Wire plans SPOILERS!!!!! Possibly)
future Peter and Hiro has returned to try to stop past peter from becoming sylar? by poster Tobnameless and also in post #5609 Mathsorcerer/13th pit/#5606 po
why Sylar seems more powerful than the others ) BaseballerX supports this theory in post #5612. TheDreadPirateTrulove/16th pit/#5624
Sylar isn't future Peter but "past" Peter DavidWright/17th pit/#5630
that Sylar/Patient Zero is Peter’s father Vanil/27th pit/#6528 po
future Hiro is actually future Sylar setting up the past Sylar for a better future or something along those lines Thread titled: Future Hiro started with the 7th post in the thread
Mohinder's father (Chandra Suresh) by poster NOX (Thread titled: Could Mohinders father be Syler?) Later on in the thread HRG's morality gets discussed by GRider and moa
NOT the shadow man? by poster GRider (Thread titled: What if the shadow man is not Sylar?)
the cheerleader's (Claire Bennet's adoptive) dad by poster cheerleaderisthekey (Thread title: So the cheerleader's dad is SOOOO Sylar) BaseballerX/46th pit/#8666 po
Sylar's one weakness unless he has steel skin
Claire's Biological Father by poster daveknockwin Thread title: Claire's Biological Father = Sylar
Mr. Linderman by poster SOG - 49th post in Official Episode #1.07 ("Nothing to Hide") Thread - Other posts (PITs) discussing Sylar's identity in this thread: 51st
oddly enough a rebuttal by SOG! His anti-crazy pills aren't workin' , and 73rd.
Sylar might be an evil alien Hellbent on taking over Planet Earth by poster helicus (23rd post in the "Save the Cheerleader...Save the World. What does that mean?" thread) (following this post was a negative vibe by many towards the idea of aliens)
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Speculations about Sylar’s morality
Sylar may be the only one who can stop the NY explosion by poster Mathsorcerer Thread title: Easy explanation for Peter is Sylar theory (8th pit)
Sylar is actually trying to stop Uluru so he can SAVE everyone by poster Mathsorcerer and rebuttal by bunnydeville in post #7330 and instant reply by Mathsorcerer and rebuttals by SOG in posts #7387 and #7423 Thread title: Sylar is Claire's father! (Mathsorcerer's post was the 4rth pit)
Sylar is trying to stop Uluru from taking brains by poster Mathsorcerer Thread title: Official Episode 1.05 ("Hiro's") Thread (39th pit)
not mean by poster Pimpalicious316 (16th post in Official Episode 1.02 Discussion Thread! -- SPOILERS!!)
Not the person who attacked the girl in the FBI HQ in LA but rather an organization by poster Delduwath (69th post in the Official Episode 1.03 Discussion Thread! -- SPOILERS!!)
NOT the villain, Sylar is NOT the killer, NATHAN is the killer by poster apallo creed (in the thread, there are quite a few rebuttals, one which poster Marcos - 3rd post in thread, post #5259 overall - defends Nathan’s character) Later in the thread there is also a rebuttal by SOG in post #5276 declaring that Sylar is
Evil, but explanation why he didn’t kill the girl - earlier in the thread {5th post in thread, post #5266}SOG also had a different rebuttal (Thread titled: Everyone is wrong about Sylar - Part II)