In the theory "Is it Possible for Rand to sway Cyndane/Lanfear Back to the Light?" the writer assumes that Lanfear is Cyndane. I think that’s way too crazy and just can’t be. My own freaky theory is that Mesaana or Semirhage is Cyndane. They have failed the Dark One in someway, and are being punished for it. Perhaps for failure to capture Rand, Mesaana was turned over to Moridin? Perhaps Semirhage failed in some way as well? Anyway who ever she is, she just can’t be Lanfear. If she is Lanfear where is Moiraine?
wotmania says: I would think Jordan would have made it a scene if one of the Forsaken (Mesaana or Graendal) died. I think Cyndane is Lanfear, everything we know about Lanfear and Cyndane would seem to lead one to that conclusion. If Jordan starts killing Forsaken behind the scenes and resurrecting them I am going to be extremely disappointed.
Cyndane makes her first appearance at Graendal's place along with Moghedien, and then is at a meeting of forsaken at which Semirhage is present. That would only leave Mesaana among the non-Lanfear choices, and Mesaana doesn't appear to have failed anyone in her work in the White Tower.
That Cyndane is of the Forsaken is certain. She has personal knowledge of the AoL, and speaks with the other Forsaken in far too familiar terms to not have known them already.
Cyndane echoes Lanfear's wishes, that her and Rand could challenge the Dark One or even the Creator by using the Choeden Kal, but since Rand yet again spurned her affections and temptations and let Nynaeve use it with him to cleanse Saidin, he would have to die. Cyndane and Rand have had no direct contact, so who has tried to tempt or seduce Rand? Among the female forsaken, Lanfear is it. Rand has never come face to face with Graendal, Semirhage, or Mesaana, and the closest he's been to Moghedien was while Moggy was leashed to Nynaeve in T'A'R and they watched Rand finish off Rahvin.
Cyndane is Lanfear. Not Lanfear+Moiraine. Just Lanfear.
Call me Tim
Any body who has read winters Heart and does not know for sure who Cyndane is needs to give their heads a shake. GO AND REREAD THE LAST CHAPTER, SPECIFICALLY PAGES 641 AND 648/649. Then go ahead and call youself a woolheaded sheepherder for not seeing the first time.
Gingers: disturbing the dreams of decent folk since the dawn of time.
W.A.S.T.E.
"was turned over to Moridin? Perhaps Semirhage failed in some way as well? Anyway who ever she is, she just can’t be Lanfear. If she is Lanfear where is Moiraine?"
You say that Cyndane "just can't be Lanfear." For Light's sake why not? There are more questions in your theory that answers, and no evidence or quotes at all. General consensus in the WoT community is that Cyndane IS Lanfear, and this is born of the fact that it is simply OBVIOUS. Who else would speak of LTT in such ways (see KoD, its in another theory somewhere) and take meetings and familiarity with other Forsaken? Perhaps a review is in order.
rebel_ashaman
We rose on the winds of the rising storm
We ran to the sound of thunder
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And tore the world asunder
the lover of light and wisdom
the all-seeing eye
the wandering wotmaniac
True Power is knowing that you can, but you don't. 
-Deathbone1 
How could she NOT be?