Simply conquer levels 1, 2, 3, and Udan's Dungeon in Quest mode to obtain the game's hidden characters.

To change the camera view, press L2 + R2 after you pick your characters and while the game is loading.

For alternate outfits, hold Up while selecting your character.

To get Tori,(the hardest charactor to get)beat Udan's dungon(almost 30 floors to complete)

To make Hom kill himself, hold L1 + R1 + Down. He should reach behind his back and turn himself off.