Yes you can have Eyedol but he suck in combat and oh you can do the Combo breaker Cheat with this one you can combo breaker every time and its gonna be mightfull than a normal combo breaker...

For Eyedol: Select CINDER and at the Vs. Screen Hold Right And Do L,R,X,B,Y,A and you will hear Eyedol if it work

Combo Breaker: at Vs. Screen Just hold Down and B and you will hear C-C-C-Combo Breaker!!

yes there is cheats if you look at the magazines that is nintendo power there is a whole page of cheats that you can do

yes there are cheats for this game with all diffrent wayz to do them all you can get eyedol but you HAVE TO BE CINDER FIRST AND AND THE VS SCREEN YOU PRESS A B X Y R XY L AND YOU GET EYEDOL AND YOU CAN DO FINISHING MOVES ON ALL CARACTORS LIKE FOR INSTENCE UMMM CINDER YOU CAN MELT A PERSON BY PRESSING BACK BACK BACK BACK X AND YOU MELT THEM UMMM YOU MAKE PEOPLE DANCE IS DIFFRENT LIKE UP CINDERS IS BACK BACK BACK A AND ALL THE OTHERS ARE DIFFRENT BESIDES JAGO I THINK AND SPEAKING OF JAGO HIS ULTRA IS BACKWARD HALF CYCLE A BACK BACK X BACK BACK A R R R R AND THERE YOU GO JUST A FEW CHEATS FOR KILLER INSTINCT