About this demon prince name generator
A demon prince is a Demon Lord — one of the named, singular powers who each rule a layer of the infinite Abyss as a private kingdom. These are not the swarming demons of the Blood War; each is a worshipped, scheming, near-godlike thing with a cult on the mortal world and a grudge against every other prince. Their names are harsh Abyssal things, all clustered consonants and glottal stops, and they belong to the published lore. This demon prince name generator gives you the lord, the layer, and the move they are making now.
It rotates across the great Demon Lords. You'll get Demogorgon, the two-headed Prince of Demons; Orcus of the Skull Throne, lord of the undead; Yeenoghu, the Gnoll-Lord; Baphomet, the Horned King of minotaurs; Graz'zt, the suave Dark Prince of Azzagrat; Juiblex, the Faceless Lord of ooze; Zuggtmoy, Demon Queen of Fungi; Pazuzu, the winged tempter; and Fraz-Urb'luu, the Prince of Deception. Each result names the prince, fixes the layer they rule and the cult they gather, and gives you a scheme they are pursuing right now.
Borrowed gods and invented ones
Like the lords of the Hells, the demon princes are a mix of stolen names and new ones, and telling them apart is half the pleasure. A few are genuinely ancient. Pazuzu was a real demon of Mesopotamia, king of the wind-spirits, carved on amulets to frighten off worse things, the same bronze face that later snarled out of The Exorcist. Orcus was a Roman god of the underworld and the punisher of broken oaths, and his name did not stop at D&D: by way of the Italian orco it became the English word 'ogre'. Baphomet is the goat-headed idol the Knights Templar were tortured into confessing they worshipped, and Demogorgon is a literary phantom, a dreadful name that drifts through Boccaccio and Milton and Shelley without anyone being sure what it ever meant.
The rest are pure invention. Yeenoghu, Graz'zt, Juiblex, Zuggtmoy, Fraz-Urb'luu came out of Gary Gygax's imagination, built from harsh syllables and apostrophes to sound every bit as old as the borrowed ones. The trick worked, and the made-up princes feel no less ancient than the real demons beside them. The generator keeps both, because at the bottom of the Abyss it should be hard to tell which horrors humanity actually feared and which it only invented.
What kinds of demon prince names you'll see
These are the iconic lords of the Abyss: the names come from the published lore, and the writing fills in the layer, the cult, and the rivalry behind each. Demogorgon's two heads scheme against each other; Graz'zt rules a palace and a court; Yeenoghu wants only to see the world eaten. Each prince shapes the name, the kingdom, and the evil it works on the mortal world.
Why the layer and the cult matter
A demon prince name with nothing behind it is just a snarl. The questions that make one playable are which layer of the Abyss they rule, what cult carries their will to the mortal world, and which rival they are circling — because Orcus raising the dead is a different campaign from Graz'zt seducing a city's nobles, and the party needs to know which lord's cult they have crossed. Each result builds the prince out of those parts: the Abyssal layer, the cult and its mortal reach, the Blood War, and the rivalry or scheme at hand.
How to use it at the table or on the page
Take what you need. Keep the whole entry for the power behind a campaign's cult, or lift the name and the layer and build the cult yourself. The hooks stay bounded — Demogorgon rousing his sahuagin against a triton lord, Yeenoghu's flails pulled to Avernus for the Blood War, Graz'zt weighing one of Iggwilv's schemes — so they slot under a larger arc. The schema reuses the same fields as every generator here: backstory is the layer, cult, and rivalries, personality is how the prince rules and works its cult, and the plot hook is the present scheme.
What you get
Every roll returns a demon prince name, a pronunciation note in harsh Abyssal, an etymology that names the lord, a backstory (the Abyssal layer they rule, the cult that serves them, their rivalries with the other princes), a paragraph on how they reign (how they hold their layer, how they corrupt the mortal world, how they war on the archdevils), and a current situation a GM or writer can use tonight. Most online demon generators stop at a guttural-sounding name. This one gives you a Demon Lord with a kingdom, a cult, and a scheme.