Select "Rabbid in the Wii Remote" from the main menu. When your inside you will click Menu and after that you will click Manage Rabbids and then you Will click View Managed Rabbids. In this menu hold [C]+[Z] on your Nunchuck and enter the the code from below.
B11BA22A - Best Buy Rabbid.
BBBBAAAA - Splinter Cell Rabbid.
1122AA11 - Leonardo Rabbid.
121212AA - Prince Rabbid.
2211AA11 - Assassin Rabbid.
AA111122 - Geek Squad Rabbid.
Chuck Norris Picture
In the level High Stakes Steak if you go down the stairs from where the first blow rabbid is and go into the room with a pipe and two orange verminators guarding it, there is a picture of Chuck Norris on the right wall.