The main man of the comic, he's been a librarian for longer than there have been public libraries. A feared opponent of evil, Rex was traumatized by the burning of the library of Alexandria. As a result, he can take the protection of books to absurd extremes. An expert shot, Rex spends his spare time reading, weight training, and eating buttertarts. He is often on a diet.

A former sophist philosopher from Ancient Greece, Simonides was turned into a bird by Circe some two thousand years ago. The spell has yet to wear off. In the meantime, Simonides plots world domination in order cover up his avian inferiority complex. He's about as grounded as you'd expect a bird to be.

Reformed sorceress, Circe joined the Secret Order of Librarians after escaping from the Salem Witch trials. She works at Rex's side, and her abilities add greatly to the ability of the library to retrieve books from supernatural borrowers. Unfortunately, her fierce temper can wind up causing catastrophic consequences for the library administrator. She enjoys martial arts, black magic, collecting recipes, and baking cookies.

A new addition to the Middleton Library, Hypatia Krupskaya has just earned her MLIS. An expert in close quarters combat and a whiz with technology, she has an encyclopedic memory unhindered by two thousand years of experience and short telomeres. Hypatia is eager to prove herself to the older members of the Middleton branch, whom she fondly refers to as 'those pastry-eating ossified dinosaurs.'

The rarely seen library administrator, the former Egyptian god of writing handles the executive decisions at the Middleton branch. He was entrusted long ago with keeping safe the most dangerous books ever written, and to prevent them from falling into the wicked hands of Cthonian abominations. Over the centuries he has aided the super secret Library Order, which he helped found, and enlisted into its ranks some of history's most brilliant and dangerous characters. Known for being cranky and having an odd obsession with dust arrangement, Mr. Thoth nevertheless provides the Middleton staff with a wide assortment of magical insurance policies that protect them from various forms of harm. He likes rich coffees and blueberry muffins.

The guardian of Thoth's inner sanctum, the Sphinx enjoys telling riddles, dismembering and devouring trespassers, eating flesh off the bone, reading romance books, and playing poker and scrabble. Some thirty feet tall, she can leap well over a hundred feet in a single bound. Her claws can decapitate a Thracian warrior, or even a group of tightly packed Thracians, with one swipe. No one ever wears long scarves or other dangling articles of clothing within eyesight of Xee twice.