Terry Bogard is as seen in his younger, more traditional form from the King of Fighters and Fatal Fury series.
Fortune is as seen in Metal Gear Solid 2. Her immunity to firearms is intact and she starts the battle with her railgun fully charged.
Lu Bu is as seen in the Dynasty Warriors series, specifically in his Dynasty Warriors 6 form, though there's no invincibility here. He has all the movesets to all his weapons, begins with full Musou, has his skill tree complete, and has access to one use of his Special mode, Swift Attack, which he may use whenever he chooses. Lu Bu is armed with Demon Bane with the Fire as seen in DW6, in addition to his Sky Scorcher from DW1-5, with the Fire orb attached. Lastly, he’s also carrying Huang’s Bow from Dynasty Warriors 3-5, and has plenty of both regular and fire arrows. He is with his horse, Red Hare, who is as seen in DW6.
Yuri Hyuga is as he appears in Shadow Hearts: Covenant. He has access to all of his fusions except for (Neo) Amon and Dark Seraphim, though his healing moves may not revive anyone. All his fusions are fully upgraded, and he begins in his Fides form.
Dracula appears as he does in Chapter 6 of Harmony of Despair, Hard Mode. He has access to all of his attacks, though his seduction attack can't brainwash females, and can freely transform between all three of his forms. Additionally, he has all of his attacks from Order of Ecclesia, except for that game's version of Dark Megiddo.
Tyrant is a T-002 Tyrant, as seen in some Resident Evil game. The Tyrant will start in a neutral area from both teams and act as a third party.