UPDATE: Fighting Subs/Mains

arcana heart

AH3 Main: Dorothy
AH3 Sub: ?

blazblue

CT Main: Rachel
CT Sub: Nu-13

CS Main: Rachel
CS Sub: Lambda-11

dead or alive

DoA 1 Main: Kasumi
DoA 1 Sub: Ayane

DoA 2 Main: Tina
DoA 2 Sub: Kasumi

melty blood

Act Cadenza Main: White Len
Act Cadenza Sub: ?

mugen

Mugen Main: Hong Meiling
Mugen Sub: Sakura Kinomoto

ougon musou kyoku

OMK Main: Beatrice with Ange support
OMK Sub: ?

soul calibur

SC 2 Main: Ivy
SC 2 Sub: Xianghua

street fighter

SFIV Main: C.Viper
SFIV Sub: Chun-Li
SSFIV Main: C.Viper
SSFIV Sub: Juri

super smash bros brawl

SSBB Main: Pikachu
SSBB Sub: Link

touhou

IAMP Main: Marisa
IAMP Sub: Hong Meiling
SWR Main: Sakura
SWR Sub: Marisa