| fiend(noun, person, villain, brute, monster) |
| Lucifer(noun, brute, monster, demon, beast) |
| devil(noun, degenerate, villain, brute, monster) |
| serpent(noun, degenerate, villain, brute, beast) |
| demon(noun, villain, brute, monster, beast) |
| Archfiend(noun, brute, monster, demon, beast) |
| Beelzebub(noun, brute, monster, demon, beast) |
| Mephistopheles(noun, villain, brute, monster, demon) |
| Prince of Darkness(expression, idiom, brute, monster, demon) |
| adversary(noun, brute, monster, demon, beast) |
| bête noire(noun, expression, brute, monster, demon) |
| beast(noun, villain, brute, monster, demon) |
| brute(noun, villain, monster, demon, beast) |
| common enemy(noun, expression, brute, monster, demon) |
| dastard(noun, brute, monster, demon, beast) |
| djinn(noun, brute, monster, demon, beast) |
| dybbuk(noun, brute, monster, demon, beast) |
| enfant terrible(noun, expression, brute, monster, demon) |
| evil one(noun, expression, brute, monster, demon) |
| evil spirit(noun, expression, degenerate, villain, brute) |