Heroes
Cosmos
Warrior of Light (Final Fantasy I)
Onion Knight (Final Fantasy III)
Bartz Klauser (Butz) (Final Fantasy V)
Cloud Strife (Final Fantasy VII)
Zidane Tribal (Final Fantasy IX)
Shantotto (Final Fantasy XI)
Firion / Firionel (Final Fantasy II)
Cecil Harvey (Final Fantasy IV)
Terra Branford (Final Fantasy VI)
Squall Leonhart (Final Fantasy VIII)
Tidus (Final Fantasy X)
There are ten heroes in Dissidia: Final Fantasy, all of whom can be played. They were selected due to their relationships with the antagonists who were selected for each game.
Villains
Chaos
Garland (Final Fantasy I)
Cloud of Darkness (Final Fantasy III)
Exdeath (Final Fantasy V)
Sephiroth (Final Fantasy VII)
Kuja (Final Fantasy IX)
Emperor Palamecia (Final Fantasy II)
Golbez / Golbeza (Final Fantasy IV)
Kefka Palazzo (Final Fantasy VI)
Ultimecia / Griever (Final Fantasy VIII)
Jecht (Final Fantasy X)
Many of the Final Fantasy franchise' most famous villains return in Dissidia to square off against their foes one last time. The only one which lead to much debate was Jecht's inclusion over Seymour, but this was due to his relationship with Tidus.

