This is the updated list. There are only four more fatalities to be discovered!
1) Added Kenshi's Fatality 2
2) Added Hotaru's Fatality 1
3) Added Liu Kang's Fatality 2
The list is in PS2 format so I will provide a PS2 to XBOX key.
Square = X
Triangle = Y
X = A
Circle = B
Ashrah
Fatality 1: Down, Down, Up, Up, Triangle (close)
Fatality 2: Forward, Down, Forward, Triangle (mid)
Hara Kiri: Up, Down, Up, Up Triangle
Baraka
Fatality 1: Forward, Up, Down, Triangle (close)
Fatality 2: Forward, Down, Back, Forward, Triangle (mid)
Hara Kiri: Down, Back, Up, Back, Circle
Bo' Rai Cho
Fatality 1: Down, Up, Forward, Forward, Triangle (mid)
Fatality 2: Up, Up, Back, Forward, X (mid)
Hara Kiri: Back, Back, Forward, Forward, Triangle
Dairou
Fatality 1: Down, Up, Back, Back, Square (mid)
Fatality 2: Down, Down, Back, X (close)
Hara Kiri: Back, Back, Back, Down, Square
Darrius
Fatality 1: Up, Down, Back, Forward, X (mid)
Fatality 2: ????????????????
Hara Kiri: Back, Forward, Forward, Triangle
Ermac
Fatality 1: Down, Back, Back, Down, X (mid)
Fatality 2: Back, Down, Back, Down, Circle (mid)
Hara Kiri: Down, Up, Up, Down, X
Havik
Fatality 1: Down, Forward, Forward, Up, Circle (close)
Fatality 2: Forward, Forward, Forward, Back, Triangle (mid)
Hara Kiri: Forward, Up, Up, Up, Triangle
Hotaru
Fatality 1: Forward, Up, Back, Down, Square (mid)
Fatality 2: Down, Forward, Back, Forward, Triangle (close)
Hara Kiri: Up, Back, Back, Back, Triangle
Jade
Fatality 1: Back, Forward, Up, Forward, Square (mid)
Fatality 2: Back, Forward, Forward, Forward, Triangle (close)
Hara Kiri: Forward, Forward, Forward, Back, Triangle
Kabal
Fatality 1: Forward, Up, Up, Up, X (close)
Fatality 2: Up, Up, Down, Down, Triangle (close)
Hara Kiri: Forward, Up, Up, Down, Triangle
Kenshi
Fatality 1: Forward, Forward, Back, Back, Triangle (mid)
Fatality 2: Up, Forward, Back, Forward, Triangle (mid)
Hara Kiri: Down, Back, Back, Forward, Circle
Kira
Fatality 1: Back, Forward, Forward, Back, Circle (far)
Fatality 2: Up, Forward, Down, Back, X (mid)
Hara Kiri: Forward, Back, Up, Back, X
Kobra
Fatality 1: Down, Back, Forward, Down, Circle (close)
Fatality 2: ????????????????
Hara Kiri: ????????????????
Li Mei
Fatality 1: Forward, Forward, Forward, Forward, Square (sweep)
Fatality 2: Up, Back, Forward, Forward, Circle (mid)
Hara Kiri: Up, Down, Up, Down, X
Lui Kang
Fatality 1: Back, Back, Back, Forward, Triangle (mid)
Fatality 2: Forward, Forward, Up, Up, X (mid)
Hara Kiri: Down, Down, Down, Up, X
Mileena
Fatality 1: Forward, Forward, Down, Down, X (mid)
Fatality 2: Up, Up, Forward, Forward, X (far)
Hara Kiri: Back, Down, Forward, Back, Square
Nightwolf
Fatality 1: Back, Forward, Back, Forward, Square (far)
Fatality 2: Down, Forward, Down, Up, Triangle (mid)
Hara Kiri: Up, Up, Up, Up, X
Noob-Smoke
Fatality 1: Back, Forward, Back, Forward, Circle (mid, must be noob)
Fatality 2: Up, Down, Down, Forward, Triangle (mid, must be smoke)
Hara Kiri: Down, Up, Up, Down, Circle
Raiden
Fatality 1: Back, Down, Forward, Down, Square (mid)
Fatality 2: Up, Down, Forward, Forward, Square (far)
Hara Kiri: Forward, Up, Up, Back, Square
Scorpion
Fatality 1: Forward, Down, Forward, Forward, Square (mid)
Fatality 2: Forward, Back, Forward, Back, Square (close)
Hara Kiri: ????????????????
Shujinko
Fatality 1: Up, Down, Down, Forward, X (close)
Fatality 2: Back, Up, Forward, Forward, Square (close)
Hara Kiri: Down, Back, Down, Back, X
Sindel
Fatality 1: Back, Forward, Forward, Back, Square (mid)
Fatality 2: Up, Up, Back, Forward, X (sweep)
Hara Kiri: Forward, Up, Up, Down, Circle
Sub-Zero
Fatality 1: Forward, Back, Down, Forward, Triangle (close)
Fatality 2: Back, Down, Forward, Down, Square (mid)
Hara Kiri: Down, Up, Down, Up, Triangle
Tanya
Fatality 1: Forward, Down, Down, Down, Square (close)
Fatality 2: Up, Back, Forward, Up, Triangle (close)
Hara Kiri: Down, Down, Forward, Up, X

Please refrain from typing thread subjects in all caps. ~Crow