To get Koopa beat adventure mode, classic, and allastar on very
hard.  ON the homerun contest hit on 1 char. 1300. Beat 10 man
melee, 100 man melee, 3 min melee, 15 min melee, and kill a minimum of
five guy on cruel melee. Do all 51 event matches, Do all break the
targets and you must have mr game and watch to do this.

To get Perin beat adventure mode, classic mode, and allstar with koopa.
Beat koopas break the targets and the home run contest. there may be
more but im not sure