Kill Bill's Gogo Yubari

Basically, Gogo's just your regular Japanese school girl. Only difference is that she moonlights as one of O-Ren Ishi's (some villain played by Lucy Liu) operatives. What's so cool about her? Well, she's pretty cute, has loads of "kawaii" accessories all over her blade's scabbard, is very loyal and she's pretty psychotic. I mean, she killed one of the lesser yakuza working under O-Ren Ishi for fun, she was drunk.
COOLNESS RATING: 7/10
Boba Fett

**THE BOBA FETT I'M REFERING TO IS FROM THE ORIGINAL STAR WARS TRILOGY, NOT THAT TURD-BAG FROM THE PREQUELS** Boba Fett is a bad-assed bounty hunter that speaks only when it is truly necessary. Not like those faggots going around praising X-Boxes and other demonic things. Aside from that, Boba has got a very cool [Mandalorean] armour piece, along with his "trusty" jet-pack and T-shaped-visored-helmet. Then there's his voice, really suits his character (Darn you Lucas for changing his voice in the latest "SPECIAL" edition!!!), cold and mysterious. The coolest thing about him would probably be that he never took off his helmet [in the movie], Boba Fett without his helmet is like me without a ninja mask. Just plain terrible.
COOLNESS RATING: 8.5/10