UNISEX:

1. NUKPANA: Native American Hopi unisex name meaning "evil."

MALE:

1. ABADDON: "Destruction; ruination." Hebrew biblical name meaning "destroyer." In Revelation, Abaddon is called the Angel of the Bottomless Pit where he rules over creatures described as demonic locusts. He is to be released from the Abyss during God's wrath on mankind in the end-time. 

2. ADDANC: Name of a lake monster from Welsh mythology that King Arthur (or Percival) was later ascribed to have killed. It is variously described as a demon, a dwarf, beaver, or crocodile. It was said to prey upon anyone foolish enough to swim in its lake. The location of the lake in which it dwells also varies: Llyn Barfog, Llyn Llion, Llyn yr Afanc. 

3. AEGLAECA: Variant of Anglo-Saxon Aglaeca, meaning both "demon, monster, fiend," and "hero, warrior."

4. AGLAECA: Name of a character from Beowulf, meaning both "demon, monster, fiend," and "hero, warrior." An Old English dictionary defines áglǽca as follows: "wretch, miscreant, monster, demon, fierce enemy, fierce combatant, miserable being." 

5. AHRIMAN: "Devil; evil spirit." Middle Persian form of Avestan Angra Mainyu, myth name of the god of darkness, death and destruction, and the number one enemy of Ahura Mazda.

6. ANGRA MAINYU: "Evil spirit; devil." Persian myth name of the source of all evil, and the twin brother and main enemy of the god Ahura Mazda. 

7. APEP: Egyptian myth name of the personification of evil, seen as a giant snake, serpent or dragon. Known as the Serpent of the Nile or Evil Lizard, he was an enemy of the sun god. Meaning of the name is uncertain, but may be connected to the root pp, meaning "to slither."

8. AZAZEL: "The scapegoat." Hebrew biblical name of the recipient of a sacrificial goat in the Old Testament. Azazel's identity is not made clear; He/it could be a place, a person, or a desert demon.

9. CERBERUS: "Demon of the pit." Latin form of Greek Kerberos, myth name of the three-headed dog that guards the entrance to Hades. 

10. CHERNOBOG: Variant of Slavic Crnobog, meaning "black god."

11. CRNOBOG: "Black god." Slavic myth name of a god of evil and darkness, the counterpart of Belobog ("white god"), the god of the sun and light, derived from cherno "black" and bog "god."

12. DEMOGORGON: Male Greek myth name of a god from the underworld, thought to be the name for Satan.

13. DEMON: Ancient Greek name derived from the element demos, meaning "the people."

14. DEVIL: Biblical title borne by Satan, derived from Greek Diabolos, meaning "accuser, slanderer."

15. DIABOLOS: Greek form of the biblical title Devil, meaning "accuser, slanderer."

16. DRACUL: Romanian name meaning "devil" or "dragon."

17. KARAWAN: An expression used to avert the evil eye, transferred to forename use.

18. KERBEROS: Original Greek form of Latin Cerberus, meaning "demon of the pit."

19. MATCHITEHEW: Native American Algonquin name meaning "he has an evil heart."

20. MUKESH: Male Hindi myth name of a demon in the form of a boar who was killed by Shiva, meaning "ruler of Muka." 

21. RAVANA: Hindi myth name of the demon king of Ceylon who kidnapped Rama's wife, Sita.

22. SAMAEL: In Jewish mythology, the Prince of Darkness, Angel of Death or Poison, accuser, seducer, and destroyer. He rules over the seven habitations called Sheba Ha-yechaloth, regions of the Earth, where he is a Prince. The Talmud states: "the evil Spirit, Satan, and Sama'el the Angel of Death, are the same"; and Samael is also therein made equivalent to the Biblical serpent who tempted Eve in the Garden of Eden. He is called the chief of the Dragons of Evil, and is held responsible for the scorching wind of the desert, called the simoom. His name is said to mean "Venom of God," but could also have been derived from the name of the Syrian god Shemal, meaning "he who lets his arrows fly."

23. SATAN: Biblical name of the enemy of God, derived from Hebrew satan, meaning "adversary." He is also known by the Greek name Diabolos, the Devil.

24. SETH: Greek form of Egyptian Sutekh, name of the evil god of Chaos who slew Osiris, possibly meaning "dazzle."

25. SUTEKH: Original Egyptian form of Greek Seth or Sethos, name of the evil god of Chaos who slew Osiris, possibly meaning "dazzle."

26. TEIVEL: Yiddish name meaning "devil."

27. VRITRA: Hindi myth name of a dragon or serpent, the personification of drought and enemy of Indra, meaning "the enveloper."

28. ZLOGONJE: Serbian name meaning "expels evil."

FEMALE:

1. HECATE: Latin form of Greek Hekate, myth name of a goddess of witchcraft, demons, graves, and the underworld, meaning "far off."

2. JEZEBEL: Hebrew biblical name of the evil wife of King Ahab, meaning "impure, unexalted." She was eaten by dogs as prophesied by Elijah.

3. LAMIA: Greek myth name of an evil spirit who abducts and murders children. The name means "vampire" in Latin and "fiend" in Arabic.

4. LILITH: Assyrian myth name of a demon, derived from the word lilitu, meaning "of the night." In ancient Semitic folklore this so-called demon was Adam's first wife who was replaced by Eve because she refused to submit to him. Nevertheless, Adam and Lilith did have children together for the legend also says that their offspring were the evil spirits of the world. 

5. PANDORA: "All-gift." Greek myth name of the first mortal woman whose curiosity unleashed evil into the world, composed of the elements pan "all" and doron "gift."

6. USHA: Female Hindi myth name of a demon princess, daughter of heaven, and sister of night, meaning "dawn."