Quote Originally Posted by Unknowns
Well, it did kinda fit in pretty well I will say.

Anything more to share?
I haven't come up with any other theories, but I'm sure other people have.

Quote Originally Posted by SeeDRankLou
I think that those GFs were already Squall's (they were registered as his) and you just can't access them via the menu until you name them in the game. To note, if you don't get them via Squall's desk you will get them when you talk to Quistis by the gate. She will say something about seeing what GFs you have.
Even if they don't exist as electrical energy they certainly can turn noncoporeal.

What's interesting is they can be contained organically (monsters, possibly the players) and inorganically (cursed lamp, DSRC core). Some, like Doomtrain, can be summoned with the necessary material components.