Well, you are certainly entitled to your opinion, but I think you are looking at it in too "Literal" terms and not in the interpetive manner that I feel "Legion" is intended. By definition "Legion" is one of many. It's also a sly way for the Devil to confuse and deceive his target. Also I did not mean to suggest that "Legion" was made up of the Crimson King's Army. Not at all. Through out literature "Legion" is suggested as another name for the Devil and/or his demon cabinet, so to speak. I really suck at trying to type out my thoughts, but I hope you get my gist.
Don't worry, I get what you're saying
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The thing is though if we use the interpretive manner, Flagg's multiple appearances throughout time and space could be interpreted as fulfilling that definition (each Flagg is part of that Legion of Flagg's) Or it could be interpreted that the Bible quote can also been taken literally, and that the demon Flagg is actually made up of multiple demons inside of him, all acting as an individual (might also explain how Ralph became demonic in the end, if Flagg allowed a few of 'em to reside in him).
There could be lots, which is why I resorted to Occams Razor.
I can see Flagg as "Legion" and even interpet that his multiple forms throughout the Multi-verse make him "One of many". It's a little bit of a stretch, but a case could be made for it. I just don't see, Linoge as that despite what he claimed. One thing that is definitive to me is that neither is immortal. To me that's a deal breaker.
Two questions, and I mean no offense what so ever, Have you read "The Exorcist & Legion"? Can you reference where "Legion" was used definitively to identify an individual in literature. I'm curious. I consider myself fairly well read and cannot recall an instance where this was the case. I would appreciate the education. You learn something everyday I say.
Alas I haven't, though I've seen the films that were based on these works.
As to individuals, examples include the demon Legion from the Xena comics, who was a definitive individual:
http://www.comicvine.com/xena-warrio...on/4000-48255/
The character of Legion from the Special Executive was also an individual, albeit an individual able to summon multiple versions of himself from along his time stream into the "present".
Individuals capable of absorbing souls can also identify themselves as Legion (such as the demon Blackheart in the Ghost Rider film).