Looks like we're down to missing two, C4 and F4. I'm fairly convinced that they both hail from Japanese third person type games along the lines of your Resident Evils or your Ninja Gaidens, but I can't place them.
Adored has them all right. It's called a Cognitive Reflection Test, and here's (what I thought was) an interesting article about how researchers think it influences our product buying preference.
1) Kingdom Hearts guy
2) Dunno
3) Squall (FFVIII)
4) Soul Calibur guy
5) Lego Star Wars?
6) Dunno
7) A Link to the Past
Cloud (FFVII)
9) Elites (Halo)
10) Pyramid Head (Silent Hill 2)
11) Dunno
12) Link - Ocarina of Time
13) Darth Vader.
I'm falling apart to songs about hips and hearts...