Lesser demons are those demons who usually reside in Xanth. These demons generally have names that indicate some kind of pun and generally like causing trouble.
In main Xanth
- D. Claire
- D. Fiant attempted to rape Tandy.
- D. Flower (Luck of the Draw) owns the Kiss Mee Spa and deflowers innocent girls.
- D. Flower (Swell Foop)
- D. Molish
- D. Sire (Faun & Games) is demoness friend of Mentia who incites desire in men.
- D. Sist (Well-Tempered Clavicle) was a demoness who interfered with people until she came across a donkey headed dragon who changed her to A. Sist who now has to help people she meets before moving on.
- D. Tension is a demon Metria subbed for as a Challenge.
- D. Test traded a talent for Anomy's soul.
- D. Vore is the son of Grossclout, husband of Nada, and father of Demonica.
- Dara is the first wife of Humfrey and mother of Dafrey and Matt a Door. Humfrey calls her Dana.
- Demon Professer Grossclout is a fearsome professor at the Demon University and the father of Vore.
- Helen Back is the worst demoness in demondom.
- Magpie is the demoness who helped Rose.
- Nan O'Tek saved the Maidens.
- Teller changes talents on the Isle of Talents.
- Timothea conjures clothing.
- Type-O causes mistakes in words.
Students of Grossclout
Several demons have appeared as students in Professor Grossclout's classes.
- Chickenlips, a demon
- D. Base, a demoness
- D. Ceit, a demoness
- D. Ceive, a demoness
- D. Lete, a demon who lost his talent to Kim.
- Hophead, a demon
Isle of Fellowship
- D. Spare, a demon
- D. Spise, a demon
- D. Tain, a demon
- D. Voted, a demon
- Demon Strate is the husband of Ann Chovie, a human.
- Ban D makes disturbing noises.
- Bran D makes peope look inebriated.
- Can D is sugary and sweet looking.
- Cloud D creates clouds which float away and wet and obscure things.
- DDT kills mosquitoes.
- DUI is chronically drunk.
- Gau D wears high fashon clothing.
- Han D has many hands.
- ID has many eyes.
- Ran D is sex-crazed.
- San D spreads beach sand around.
- Un D has panties.
- Win D blew off Un D's panties.
Sometimes a demon is introduced just as a pun.
- D. Ceased
- D. Cent
- D. Lirious
- D. Louse
- D. Mean
- D. Mension
- D. Mention
- D. Mise
- D. Mystify
- D. Port
- D. Sire (Currant Events)
- D. Stroy
- D. Termined
- D. Va
- D. Viate
- D. Vious
- D. Volve
- D. Zaster
Out of main Xanth
- Beauregard (Air Apparent) is a demon on Hell World who fell in love with an angel.
- Block Buster is the guard of the Writer's Blocks in the Dream Realm.
- D. Lusion is the demoness ex-girlfriend of Beauregard on Hell World.
- Demon Ize is a character in Sofia's play on Ptero.
- Demon S is a male demoness in Xanth Reality 5.
- D. Cease is the brother of D. Sist with a human girl friend Becca who kills things temporarily.
- D. Sist (Cube Route) is the sister of D. Cease who stops things.
- D. Kay is a zombie and demon crossbreed who work with in Cyrus's troupe.
- Chaos is a son of Metria and Veleno.
- Dafrey is a son of Dara and Humfrey.
- Demon Ted is a son of Metria and Veleno.
- Demonica is the daughter of Nada and Vore.
- Demos is a possible son of Nada and Vore on Ptero.
- Dryak is a demon and centaur crossbreed.
- Matt A Door is a son of Dara and Humfrey.
- Monted is a conjectured son of Demonica and Demon Ted.
- Tedmon is a conjectured son of Demonica and Demon Ted.
- Threnody is the daughter of Metria and Gromden.
In Xanth Reality 6
- Chaska can see through fog.
- De Flate is the only one who can shut Filly Buster off.
- Filly Buster can talk your ear off.