List of Demons

The following is a list of characters who are classified as Demon.

Royal Family

 * Beelzebub IV
 * Great Demon Lord
 * En
 * Iris

Maid

 * Hilda
 * Yolda
 * Izabella
 * Satura

Transdimensional

 * Alaindelon
 * Angelica
 * Yolda 

Medical

 * Lamia
 * Furcas Rachmaninoff

Leaders

 * Behemoth
 * Jabberwock
 * Takayuki Furuichi (Future Human contractor)

Jabberwock's Subordinates

 * Lunana
 * Lindworm
 * Kirin

Pillar Baron

 * Laymia
 * Nāga
 * Basilisk
 * Yata
 * Salamander
 * Vritra
 * Quetzalcoatl
 * Yinglong
 * Fifnir
 * Ananta

Pillar General

 * Agiel
 * Chemor
 * Din
 * Elim
 * Fabas
 * Graphel
 * Hecadoth
 * Kne
 * Labed
 * Nebak
 * Odonel
 * Pamiel
 * Schethalim
 * Tiriel
 * Vabam
 * Wasboga
 * Xoblah
 * Yshiel
 * Zela

Vlad's Haunt

 * Thief Boss
 * Zanga
 * Galle
 * Edda
 * Vlad's Master

Saint Ishiyama Academy

 * Kaname Izuma

Others

 * Athrun
 * Ak-Baba
 * Sodom

The Seven Deadly Sins

 * Mammon
 * Asmodeus
 * Leviathan
 * Satan
 * Lucifer
 * Belphegor

***We already have Beelzebub III above in the list, so we don't need to add him here***