Create a team, then go to game modes and select a game type. When prompted to choose a team, press Y and load your created team. After the team is loaded and you are back at the team selection screen, press Left until the hidden team Ecko is highlighted. The team has full stats and consist of players such as Ice Cube and Xzibit. -From: firstname.lastname@example.org and DrumStick99@aol.com
Create a player, then go to "Edit Player" at the roster screen. Press Up or Down to choose the player you want to edit. Press Right to get to the speed category. Press A, then press A again.
Set the system date to the third Thursday in November to hear Thanksgiving commentary.
Set the system date to December 25 to hear Christmas commentary.
Set the system date to January 1 to hear New Year's commentary.
When your player is wide open, press L or R before running into the endzone and your player will do a dance.