Here are mine in order:
Byakuya
Chad
Renji
Grimmjow
Ukitake
Soifon
Toshiro
Nemu
Senbonzakura
Szayel
Ulquiorra
Tosen
Orihime
Ishida
Yoruichi
Aizen

Mhmmm...mine:

Uquiorra - Man he was such a cool guy and his rez, omfg!
Grimmjaw - His fight scenes were awezom
Hilibel - Her rez was all the way
Ukitake - Hes just cool
Yourichi - because she's frickin' op
Urahara - He's always makes me laugh
Byakuya - His cold attitude is awz0m

This will change from time to time ^^

Shunsui Kyoraku
Ulquiorra
Lillynette
Jushiro
Momo
Aizen
Kaname
Gin
Kenpachi
Lolly
Menoly
Nel
Ichigo
Toshiro
Nemu

Urahara and Renji

That's hard....

Rukia (of course)
Retsu Unohana
Byakuya
Hitsugaya
Matsumoto
Ishida
Kira
Hisagi
Kenpachi
Yachiru
Urahara
Yoruichi

and many more.... I have a very hard time picking favorites!!!

Aizen-The Main Villian and most badass of the whole damn show/manga plus I can roleplay as him the best.

Gin-Funny, Mysterious, Powerful ^^

Ulquiorra-I agree with Ezekiel :D

Grimmjow- Again, I agree with Ezekiel :D

Urahara-He is funny, and Powerful, He reminds me of Kakashi ^^

Shunsui-Lazy, Perverted, Like SHikamaru and Jiraiya, Powerful and Funny ^^ two thumbs up.

Nemu-SEEEEEEEEEEEEEEEEEEEEXXXXXXXXXXXXXXXXXXXXXXXYYYYYYYYYY o.o

Ukitake- Hes just plain Awesome :D

Yoruichi-Super Badass ^^

Soifon-Badass ^^

Shinji-C'mon, he could have killed Grimmjow :D

mine is just

rukia becuse she look like johnna jolley but rukia dont have long hair. jj a girl i like at my school

mine is just

rukia becuse she look like johnna jolley but rukia dont have long hair. jj a girl i like at my school

Gin Ichimaru- I loves him , I d go for reasons , but then it would turn into a fan girl rant. ^^

Izuru Kira-My favorite Emo


Ulquiorra- another awsome emo

Grimmjow- gotta love the funny evil laugh

Aizen- b--tch curl lol ^^

Mines:

1. Soifon (by a mile)

2. Hinamori
3. Mayuri
4. Rukia
5. Aizen
6. Byakuya
7. Urahara
8. Ggio Vega
9. Gin
10. Kyouraku

Something like that.

Halibel - She's just too awesome, and then is like awesome x10

Soifon - Really? Does she need an explanation?

Shawlong - His Ress was so cool, he swiped his hand and cut Toshiro, and Toshirro was like "What? o.o"

Unohana - Her smile will WTFpwn you all!

Szayel Aporro - His flambouyancy is awe inspiring

Renji - He has a big snake thing in bankai!

Hiyori - Her Sandal attacks are to die for, and she's just sooo funny.

Grimmjow - He's just so....Yummy! *fapfapfap*

Yammy - His Ress is the Incredible Hulk!

Luppi - His tentacles completely PWN'd Ikkaku, Yumichika, Matsumoto, and Hitsugaya...in Bankai!