Unlock Judgment in Judgment Mode
     To unlock the character Judgment in Judgment (story) mode, get to
level  6-1,  and  find  all the letters of Judgment, hidden in various
chests scattered throughout the level.

Unlock the 15 other Characters in Story mode
     To unlock the 15 other Characters in Story mode do the following:

Anji Mito:         Complete Stage 3-2 With Slayer
Axel Low:          Complete Stage 3-1 with Chipp Zanuff
Baiken:            Complete Stage 2-1 with Millia Rage
Bridget:           Complete Stage 2-1 with Ky Kiske
Chipp Zanuff:      Complete Stage 2-1 with Sol BadGuy
Dizzy:             Camplete Stage 2-1 with May
Eddie:             Complete Stage 2-1 with I-NO
Faust:             Complete Stage 4-2 with Sol BadGuy
Jam:               Complete Stage 3-2 with Potemkin
Johnny:            Complete Stage 2-2 with Dizzy
Potemkin:          Complete Stage 3-2 with Bridget
Slayer:            Complete stage 2-2 with Millia Rage
Testament:         Complete Stage 4-2 With May
Venom:             Complete Stage 3-1 with Eddie
Zappa:             Complete Stage 2-2 with I-NO