Efreets

"Cruels and Hags and Incubuses, Wraiths, Horrors, Efreets, Sprites, Orknies, Wooses, and Ettins. In fact here were all those who were on the witch's side and whom the Wolf had summoned at her command."

- Chapter 14 Efreets are an evil form of monsters that served the White Witch during the Hundred Year Winter. They were present at the slaying of Aslan at the Stone Table, and fought in the White Witch's Army at the First Battle of Beruna.

They are often associated with Ghouls.

Trivia
The word is a variant of Afreet, Efreet, Efrite, Ifreet, Afreet, Afrite and Afrit. In Islamic culture, they are usually described as a powerful type of Jinn, or are identified with death-spirits.