I'm sure that this has been discussed before on the old forums, but what do we know about this? (or is it fan art)
Google Image Search is your friend. I heartily recommend giving a look at that thread as it has some great stuff, specially the Asura one. Fanmade, of course, CB hasn't let go of that one yet.
Who is they. http://infinitytheforums.com/forum/topic/50169-dossier-concept-designs/ It was a fan Art and has nothing to do with the Aristeia Charakter (as far as I know). Except the name I have a hard time to find similarities in concept.
Concept? Whaddaya mean? Nordic and Vedic mythology is as tightly wound together as moondust and platypus feet. Denying the obvious synergies is just wrong. Wrong, I tell you.
Posthumans are not part of any mythology, but humans "assimilated" into Aleph's datasphere, so they (the fans who made the concept) could have even wrote "Jane" as the name ;)