Characters:

Rain Jewlitt
Series: Immortal Rain (manga)
Ability: Super-strength

Kenshin Himura
Series: Rurouni Kenshin
Ability: Swordplay

Hinata Hyuuga
Series: Naruto
Ability: Ninjutsu, byakugan

Naoto Kirihara
Series: Night Head Genesis (manga)
Ability: Telekinesis

Naoya Kirihara
Series: Night Head Genesis (manga)
Ability: Telepathy by touch

Train Heartnet
Series: Black Cat
Ability: sharpshooting

Naruto Uzumaki
Series: Naruto
Ability: Ninjutsu

Image Credits
Kirihara bros. -- cosplayisland.co.uk
All other character images -- animepaper.net
BG -- Google Images
Textures from Ulead PhotoImpact

Program Used
Ulead PhotoImpact