Mongers are villains who promote specific activities, situations, or feelings that can be undesirable, infelicitous, and discreditable to the public. Whether it be through fear, hate, or conflict, they peddle it to the best effect to get what they want.

There are many types of mongers found in fiction, but arguably the three most common types are:

• Fearmongers: Someone who goes out of their way to instill fear into others. Usually they are entities or individuals who exist to make people afraid. Often fearmongering is also a tactic used by tyrannical rulers or oppressive governments in order to keep populations in check. Some fearmongers are also xenophobes who use fear and prejudice to make others dislike a particular group/race.
• Hatemongers: Much like fearmongers, except they go out of their way to spread hate or bring out hatred in others. This is a tactic often used by hate groups (such as the Nazi Party or the Ku Klux Klan) in order to spread their hateful views.
• Warmongers: People who purposely propagate war in its various forms, whether to advance some kind of sinister agenda or simply for the love of warfare and violence. Many warmongers tend to be warlords of some kind. Weapons dealers can qualify as well if they sell weapons to warring factions of some kind.