Cheat mode: Select the first (top left) option at the main menu.
At the next screen, select the second team's name. At the next
screen, press Up + A to edit that team's name. At
the edit screen, press Down(2), Right(4), then select
the highlighted Japanese character. Then, press Down(2)
and select the highlighted Japanese character. Then, press Right(4),
Down and select the highlighted Japanese character. Press
B to return to the main menu. Select the top middle option.
At this screen, press Down(13) to move the pointer near
to the bottom. Press B to return to the main menu then
press Start to display the debug menu.