When online in the multiplayer lobby, there are some options on the top left corner, "Create Class" for example, one of the options is playercard
Chat with our AI personalities
go on player card then go on edit playercard
you cant but you can change your clan tag from the playercard option
Click your playercard then click clan tag and you can make up a tag for yourself.
Black ops
2 Black Ops 1 and Black Ops 2 email me at andregoodarzi@hotmail.com i can answer any questions about black ops 1 black ops 2 and world at war i know all secrets glitches hacks etc...