Fictional demon names tend to pull from two distinct wells, and knowing which one you're drawing from changes what "sounds right." The first is the Ars Goetia — the 17th-century grimoire cataloguing 72 spirits, giving us the harsh Latinate names like Asmodeus, Beelzebub, and Belphegor that still anchor most fantasy demonology today. The second is Milton's Paradise Lost (1667), which reimagined fallen angels as tragic, eloquent figures (Moloch, Belial, Mammon) rather than pure monsters — a softer, more articulate register that D&D's tiefling lineage leans on more than the Goetic one. Neither tradition is "correct" — they just produce different flavors of menace, and our generator mixes elements of both.

What Makes a Name Read as "Demonic"

Hard consonant clusters: -zz-, -gh-, -kh- sounds harsher and less pronounceable at a glance, which reads as alien and threatening.
Latinate and Hebrew-adjacent endings: -eus, -oth, -iel suffixes echo the Goetic tradition without directly copying real occult names.
Titles that imply rank, not just menace: "the Devourer" or "Lord of Ash" signals a hierarchy — demons in most settings answer to someone, or command someone.

A Quick Scenario

Say your Tiefling Warlock finally learns their patron's true name, or your campaign's final boss needs to feel like it outranks everything the party has fought so far. A name like "Xar'kothul, the Devourer of Light" does more worldbuilding in four words than a paragraph of description — it implies scale, implies a title was earned, and implies there's a story behind it your players will ask about.

How to Use the Generator

Choose male, female, or neutral to shape the phonetic pool.
Generate a batch — most results pair a core name with a menacing title.
Regenerate freely until one has the right weight to it.
Copy it into your campaign notes, manuscript, or character sheet.

Frequently Asked Questions

Are these based on real occult texts?

They're inspired by the naming patterns found in works like the Ars Goetia and Paradise Lost — not direct copies of real names from those texts — so results are original and safe to use in published work.

Good for a Tiefling character specifically, or just generic villains?

Both. The generator covers the harsher Goetic register and the more eloquent Miltonic register, so it works for a rank-and-file fiend or a named patron/antagonist.

Is it free to use for a published project?

Yes — no cost, no attribution required, and no limit on how many names you generate.

Name Something Worth Fearing

Whether you need a throwaway fiend for a random encounter or a named antagonist your players will remember for the rest of the campaign, generate a batch and pick the one that already sounds like it has a reputation.