Inferno (インフェルノ Inferuno) is the central antagonist in the Soul series as the final boss and main villain of the first three video games. He first appeared in Soul Blade under then name SoulEdge, he later appeared in; Soulcalibur, Soulcalibur II, Soulcalibur III: Arcade Edition and Soulcalibur: Unbreakable Soul. He also appeared in Soulcalibur V as a costume for Cervantes in Legendary Souls mode. He is playable in Soulcalibur II with the use of Action Replay and is available for play on both the original Dreamcast version, and the Xbox Live port of Soulcalibur.
He is the controlling force behind Nightmare, possessing Siegfried in Soulcalibur and Soulcalibur II, and becoming the second incarnation of Nightmare in Soulcalibur III after Zasalamel creates an artificial body for him, allowing him to walk freely without needing a host.