All-Star Team
     At  the Title screen, press Up, L, Up, L, Down, L, Down, L, Left,
R, Right, R, Left, R, Right, R, B, A, Z + Start.

Big Head Mode
     At  the  Title screen, press C-Up, C-Up, C-Down, C-Downd, C-Left,
C-Right, C-Left, C-Right, B, A, Z + Start.