Gnat Rat—A malicious invention of Chu Industries in the Fourth Reality. Releases dozens of mechanical hornets that are programmed to attack a certain individual based on a nanolocator, DNA, or blood type.

Grand Canyon—A satellite location of the Realitants. Second only to the Bermuda Triangle in Chi’karda levels. Still unknown as to why.

Grinder Beast—An enormous, rhinoceros-like creature with dozens of legs. Found in the Tenth Reality.

Hans Schtiggenschlubberheimer—The man who started the scientific revolution in the Fourth Reality in the early nineteen-hundreds. In a matter of decades, he helped catapult the Fourth far beyond the other Realities in terms of technology.

Haunce, The—A mystery of the Realities that Master George has yet to explain.

Henry—A boy from the Industrial Barrens of the Seventh Reality.

Hillenstat—A Realitant doctor from the Second Reality.

Jimmy “The Voice” Porter—A Realitant from the Twelfth Reality. He has no tongue.

Katrina Kay—A Realitant from the Ninth Reality.

Kayla Higginbottom—Tick’s little sister.

Klink—Guard of the Execution Exit at the End of the Road Insane Asylum.

Kyoopy—Nickname used by the Realitants for quantum physics.

Lemon Fortress—Mistress Jane’s castle in the Thirteenth Reality.

Lisa Higginbottom—Tick’s older sister.

Lorena Higginbottom—Tick’s mother.

Mabel Fredrickson—Tick’s great-aunt in Alaska.

Master George—The current leader of the Realitants.

Metaspide—A vicious robotic creature from the Fourth Reality that resembles a spider. Chu’s security force.

Mistress Jane—A former Realitant and ruler of the Thirteenth Reality. Has an uncanny power over Chi’karda.

Mothball—A Realitant from the Fifth Reality.

Ms. Sears—Tick’s favorite librarian.

Muffintops—Master George’s cat.

Multiverse—An old term used by Reality Prime scientists to explain the theory that quantum physics had created multiple versions of the universe.

Nancy Zeppelin—A Realitant from Wisconsin in Reality Prime.

Nanolocator—A microscopic electronic device that can crawl into a person’s skin and forever provide information on their whereabouts, including Chi’karda levels.

Nonex—When Alterants meet, one disappears and enters the Nonex. A complete mystery to the Realitants.

Norbert Johnson—A post office worker in Alaska who helped Tick and his dad escape an attack by Frazier Gunn.

Paul Rogers—A Realitant from Florida in Reality Prime.

Phillip—Owner and operator of The Stroke of Midnight Inn in the Sixth Reality.

Pick—Master George’s nickname for a major decision in which Chi’karda levels spike considerably. Some Picks have been known to create or destroy entire Realities.

Priscilla Persephone—A Realitant from the Seventh Reality.

Quantum Physics—The science that studies the physical world of the extremely small. Most scholars are baffled by its properties and at a loss to explain them. Theories abound. Only a few know the truth: that a completely different power rules this realm, which in turn rules the universe: Chi’karda.

Quinton Hallenhaffer—A Realitant from the Second Reality.