Just pick 1 at a time. Put it on your sd card. When you log onto multiplayer. click profile and change profiles and BAM you're on their profile. After u do whatever u do to the account then log it into a match so it saves on a server. Have Fun and Enjoy.

COBRA LDR MW3
C0000000 00000006
3D8080A0 618C3BE0
3D600000 616B00D2
3D4080A0 614A3BE4
3D20477A 612936BE
916C0000 912A0000

COBRA LDR MW3
C0000000 00000006
3D8080A0 618C3BE0
3D600000 616B0000
3D4080A0 614A3BE4
3D206D9B 6129FCD3
916C0000 912A0000
4E800020 00000000

Tlk Punk MW3
C0000000 00000006
3D8080A0 618C3BE0
3D600000 616B0083
3D4080A0 614A3BE4
3D20096D 6129B914
916C0000 912A0000
4E800020 00000000

VOLCOM MW3
C0000000 00000006
3D8080A0 618C3BE0
3D600000 616B006B
3D4080A0 614A3BE4
3D20CF76 6129F9F9
916C0000 912A0000
4E800020 00000000

POTHEAD CHUCKIE MW3
C0000000 00000006
3D8080A0 618C3BE0
3D600000 616B00D7
3D4080A0 614A3BE4
3D201076 6129D774
916C0000 912A0000
4E800020 00000000
4E800020 00000000