The following Occult Detective and Urban Fantasy series take place in the same universe or are connected through The Multiverse and their respective monster slayers are all members of a Monster Hunters' Union:
- Blade
- Bleach
- Buffy the Vampire Slayer and Angel
- Good Omens
- Hellboy
- Hellsing
- Monstrumologist
- Moonlight
- Sanctuary
- Special Unit 2
- Supernatural
- And by extension, Sherlock and Doctor Who.
- Witchblade
- Wolf Lake
- The World of Darkness
- The Dresden Files
- John Dies at the End
- Anita Blake
- Van Helsing
- The Lost Boys
- Kolchak The Nightstalker
- The Monster Squad
- Ghostbusters
- Scooby-Doo and his friends are junior members.
- The Camp Half-Blood Series: Camp Half-Blood and Camp Jupiter are the training grounds for new recruits.
- Monster Hunter International
- The Mortal Instruments
