History Literature / SecretHistories

* JackTheRipoff: Mr Stab is an immortal serial killer who used to be known as Jack, which implies he might have been Useful notes/JackTheRipper.

* KissingCousins: Martha Drood apparently had to fight the previous Matriarch for the right to marry Arthur Drood, her first husband, because they were second cousins.

* AlwaysChaoticEvil: The hungry gods/ the loathly ones.

* ThePowerOfLove:
** [[spoiler: In ''Daemons are Forever'' Roger uses it to stand up to the Soul Gun.]]
** [[spoiler: Harry uses it again in ''For Heaven's Eyes Only'' to banish a major demon of Hell so he can get to Roger.]]

* ThisIsYourPremiseOnDrugs: InUniverse, Molly says that Music/WithinTemptation are like Music/{{Abba}} on crack.

* EvenEvilHasStandards: Even ''elves'' don't like Mr. Stab. An exiled elf lord is mortally offended that Eddie thinks he might know where the man is.

* FaerieCourt: The court of the elves. Once ruled by Queen Mab, she was overthrown by Titania and Oberon who cast her into hell and took over. Upon escaping from hell, she creates a civil war between the elves in order to reclaim her lost position as well as get revenge for her banishment.

* WhatHappenedToTheMouse: When last seen in ''The Spy Who Haunted Me'', [[spoiler: Coffin Jobe had succumbed to his necrolepsy and died at the Independent Agent's secret lair. It's never mentioned whether he revived in time to leave before Eddie and Walker finished looting the place and blew it up. Even Jobe's cameo appearance in ''For Heaven's Eyes Only'' doesn't resolve the issue, as Eddie's near-death experiences are an enigma in themselves, and it seems fairly certain that most of the other people Eddie sees in that particular sequence aren't real.]]
* WhoWantsToLiveForever: Happens to Methuselah. He wants to leave earth because he's done and seen everything. He also wants break into heaven to enjoy its splendor.
* WoobieDestroyerOfWorlds: Doctor Delirium, a villain who threatens to unleash diseases unless he is paid ransom in rare postage stamps -- once a collector, always a collector. He sends his goons to steal the Apocalypse Door in order to make the world take him seriously.

* FaerieCourt: The court of the elves. Once ruled by Queen Mab, she was overthrown by Titania and Oberon who cast her into hell and took over. Upon escaping from hell, she creates a civil war between the elves in order to reclaim her lost position as well as get revenge for her banishment.

* OurFairiesAreDifferent: Elves used to rule this world, but we beat them by out-reproducing them, so most of them left. They're generally sadistic bastards who think growing roses through people is a ''minor'' punishment.[[spoiler: They're also incapable of reproducing in their new home. They can only have children when they cross back to Earth and lie with humans.]]