Terry Pratchett is a British Science-Fantasy Author/Satirist
Pratchett's stories take place on DiscWolrd. It is a Flat Land carried by 4
elephants on the back of a giant Turtle (The Great Al-Turin) that swims
The world has Dwarves, Trolls, Humans, Witches, Wizards and of course
Religions etc. the "History Monks" are a take-off of Tibetan Lamas.
"The Auditors" are a wispy (blackish hooded things) etheral group of
beings who hate Humans (keep messing things up) and are in charge of
greater things like Gravity and the lawas of Science (if there are any)/
DEATH speaks in "ALL CAPITAL LETTERS"
There is a DEATH OF RATS that says "SQUEAK"
DEATH has/had an apprentice called MORT
DEATH has a Grand-Daughter called Susan (also immortal)
(see "Susan has heart-to-heart talk with DEATH" clip on site)
DEATH's symbol/crest is a Black Omega (from "Alpha to Omega")
Granny Weatherwax, Nanny Ogg and Magrat are three well known
Ankh-Morpork is the largest and oldest city on Discworld. Ankh and
Morposk are divided by the River Ankh. The city is ruled by the Patrician. A
Tyrant, Former Assassin trained by the Assissin's Guild.
The University for Wizards is called "Unseen University", resides in
Ankh-Morpork, and is well known and apparently seen by everyone.
"City-Watch" is Ankh-Morpork's Police Unit.
I'll add more as/if needed