Demon Dogfight was Teppen's twenty-first expansion.
Series and characters included in this expansion (Bold indicates a series new to Teppen)
- Darkstalkers: Demitri Maximoff, Morrigan Aensland, Jedah Dohma, Q-Bee, Galnon Voshtal, Belial Aensland
- Devil May Cry: Mundus, Belial, Beowulf, Nightmare, Fallen, Soul Eater, Abyss, Sparda
- Monster Hunter: Malzeno, Lunagaron, Garangolm, Odogaron, Great Girros
- Ōkami: Shiranui, Ishaku, "Shakuya", Nagi, Nami, Nazo, Mr. and Mrs. Grapefruit, Peoni and Peony, True Orochi
- Onimusha: Desdemona, Donalbain, Tybalt, Helmut, Claudius, Ophelia, Rosencrantz, Yellow Genma General, Green Genma General, Blue Genma General, Dark Genma General, Gorr, Dark Spider, Zombie Axeman, Kagero, Tamamo, Sandayu Momochi
- Breath of Fire: Revenant, Ghoul
- Ghosts 'n Goblins: Lucifer, Woody Pig, Flying Knight, Blue Killer
''Demon Dogfight" contains examples of:
- The Cameo: Ozom appears in the full art of "Uncontrollable Ambition" (DD 082), gleefully informing Jedah of Belial Aensland's passing.
- There Can Only Be One: The battle for the Qliphoth's forbidden fruit boils down to this.
