The first eight names have been confirmed for the WWE 13 video game, they are…
* CM Punk
* Steve Austin
* Mark Henry
* Big Show
* Chris Jericho
* The Undertaker
IGN.com has a huge article up on the game, noting that Road to Wrestlemania storyline mode will be replaced by an "Attitude Era mode. Also, there are plans for the game to be more realistic (example, Rey Mysterio can't suplex Big Show) and much more.
More will be released on the game during E3 in June.