Damn, great thread, here! One suspects Zelic may be a comic book fan...
But yeah, at first, I was afraid this could only apply to super-human-esque roleplays, but then I thought how the "theme" could be like a old, battered doll, wind, or neutrality.
I really like the item idea. I might use it next time I'm brainstorming.
As for the alignment system, I typically use the DnD Alignment System whenever I create my character. There's a helpful test there that I use after I've gotten down the character's personality. The results help me solidify the personality so it doesn't get lost or too warped once inside my head. :3 I might post that link under the Helpful Links sticky.
...so fricken' awesome. ::.