This free demon name generator builds original demon names in six styles, each with a title, a domain it rules over and a sigil of its own. Pick a style and a feel, say the name with the pronunciation guide, copy or save the ones you like, download a sigil as an SVG, or press Draw this demon to see it in a matching OC maker.
Example
Duke of Broken Clocks
Rules over: deals made in a hurry
Examples
A few names from each of the six styles, built from the same syllables, ranks and domains the generator uses. We checked every one against the filter list and a web search, so none of them is a grimoire demon or a famous character. Find a style you like, then generate your own batch.
Grimoire-style names with a court rank and a place to rule. Good for a fallen noble, a book villain or a Hazbin Hotel sinner.
Hard consonants and the odd apostrophe for demon lords, cambions and tiefling NPCs that players can still say at the table.
Japanese-sounding names with folklore epithets instead of ranks. A fit for a Demon Slayer demon OC or a spirit in your own story.
A first and a last name with velvet-and-candlelight manners. These demons pass for guests at a ball until the candles go out.
Names that fight your tongue on purpose. Use them for cosmic horrors, dream monsters and weirdcore OCs that should feel slightly wrong.
Small demon, big attitude. Snack names and silly titles for familiars, mascots, comic relief and usernames.
Name styles
The generator has six styles. Each one uses its own syllables or name lists and its own kind of title, so the same feel setting gives very different demons.
Names in the spirit of old grimoires like the Ars Goetia: starts such as Bel, Mal and Az, endings like -oth, -ith and -ziel, and a court rank with a place to rule. They suit fallen nobles, story villains and a Hazbin Hotel OC.
Short, harsh names built for the tabletop: Krag, Vex, Thrax and Skar, hard endings like -gash and -uk, and sometimes an apostrophe. Easy to read off a DM screen and hard to forget. Use them for demon lords, cambions, warlock patrons and tiefling NPCs.
Japanese-sounding names from syllables like Aka (red), Kuro (black), Kiri (mist) and Tsuki (moon), with endings like -maru, -jin and -hime. Titles are folklore epithets such as the Lantern-Eyed or of the Red Torii.
A first and a last name with gothic polish, like Isadora Cindervale or Octavian Ravensworth, plus a noble rank. Pick it for demons who host dinner parties, run old hotels or sign contracts in silver ink.
Names that are hard to say out loud: clusters like Yth, Zh and Vh, doubled vowels and apostrophes in odd places. Titles are strange epithets like of the Folded Hour or Who Hums Beneath the Ice.
Snack names and soft words like Pickle, Mochi and Mothball, with titles like Destroyer of Socks or Sworn Enemy of Mondays. Made for comic relief, pet familiars, mascots and usernames.
Guide
A good demon name tells readers what kind of creature they are meeting before they read the bio. Here is a simple way to find demon OC names that fit, with the generator and a little judgment.
A grimoire duke, a tabletop fiend, a yokai, a gothic aristocrat, a cosmic horror or a gremlin that steals socks? Pick the style that matches. The style decides how the name sounds and what kind of title it gets.
Choose feminine, masculine, neutral or any, then say a few names out loud, using the pronunciation guide under each syllable name. If you will use the name at a D&D table or in a voiced video, pick one people can say on the first try, unless the point is that nobody can.
Every name comes with a domain, like maps that lie or stolen sleep. Treat it as a story prompt: what does this demon do in a scene, and who would be foolish enough to make a deal with it? Keep titles on for a ready-made line for the bio.
Save the names you like to favorites and generate a few more batches. Before you publish, search your top pick to make sure it is not already a well-known character, a band or a brand.
Download the sigil as an SVG and use it as a tattoo, a seal on a contract or a chapter heading. Then press Draw this demon to send the name to the matching OC maker and see what your demon looks like.
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