A-Z of gaming

[T3hRogue]

I got mostly all of them, I think. Give or take 6

[spoiler]
Atari
Bomberman
_
Donkey Kong
Earthworm Jim
_
Gameboy
Halo
_
_
Kirby
Luigi
Mario
Nintendo
Oddworld: Abe's Odyssey.
Pacman
Quake
Ryu (Street Fighter)
Sonic/Shadow
Tails
Umbreon (Pokemon)
_
Wario
Jacket Potato Xbox
Yoshi
Zelda
[/spoiler]

The rest I know but can't recall

EDIT: I got O, after flicking through my PS1 games