Arnolde is well regarded by humans; his magical ability enabled the rescue of King Trent and Queen Iris from a Mundanian prison.
In Golem in the Gears, Arnolde reveals that when he carries reverse wood, he is able to create an aisle of non-magic in Xanth.
For example, it causes an invisible giant to walk by just as Bink was to reveal his magic whilst under a truth spell.
She and her twin sister, Dawn, appear in Faun & Games and in Jumper Cable, where they fight over a boy.
On Ptero, a moon of Ida, when Grey is older, he is known as the royal consort because his wife, Ivy, is a future King of Xanth.
Captain of Xanth's star-ship, the Beta, during a dream voyage to rescue centaur expedition Alpha in Board Stiff from Demoness Fornax.
Ivy is capable of enhancing any quality she desires, or even to make things as she unconsciously perceives them; for example, when she first met Humphrey's son Hugo, who was described as mentally slow and had the talent to conjure rotten fruit, she enhanced his qualities while he was in her presence, making him more intelligent and giving him the ability to conjure ripe fruit, all because she perceived him as intelligent.
Ivy is a protagonist in Dragon on a Pedestal, Crewel Lye: A Caustic Yarn, and Man from Mundania.
Sherlock is introduced in Demons Don't Dream, in the company of his friend Dug Mundane, and returns in Currant Events, where he discovers his magical ability.
Vadne is the Sorceress of Topology: she can change the shape of an object without altering its size, mass, or intrinsic properties.
The Kings of Xanth are humans who possess a magical talent that is strong enough for them to be classified as a Magician, a pre-requisite for the role.
He adapts a stone to make an impenetrable magical field about Xanth, which is later removed by order of King Trent.
Aeolus's edict, issued four years into his reign, decrees that anyone born without a magic talent would be exiled from Xanth.
Later in the series, in Xone of Contention, Magician Grey and Robota, a golem, travel back in time to the events of A Spell for Chameleon.
Aeolus' efforts to stave off death fail, and he succumbs shortly after Grey and Robota depart.
It takes him over twenty years to recover from the loss of his first wife and son, but eventually, he comes to love Iris.
Trent is featured as a main character in A Spell for Chameleon and Centaur Aisle, but makes a reappearance later in the series in Harpy Thyme.
He repaid a debt to the Good Magician Humfrey, incurred by seeking information from him on other lifeforms, by serving time in a small vial answering questions for people.
Chameleon's talent is that her physical attractiveness and her intelligence vary inversely, a monthly cycle she cannot control.
The transformations complicated her personal life, and she found it convenient to adopt three personas with different names: Wynne is among the most beautiful women in Xanth, but is cognitively impaired to the point of being unable to live independently; Dee is of average appearance and intelligence; and Fanchon is hideously ugly but the smartest person in Xanth.
Even though her talent is not magician-caliber, she was named King of Xanth during the Next Wave invasion because she was in her Fanchon phase at the time and thus the person most able to plan a defense of Castle Roogna.
He is constantly at battle with Earth, Jupiter, Neptune, and other demons who represent the planets in an astral game of gaining recognition.
Also called Cumulo-Fracto-Nimbus, this demon cloud roams the land of Xanth, blowing up storms to cause mischief.
He was later found by Jordan The Barbarian, Threnody, Grundy The Golem, Rapunzel, and Snortimer at a Faun and Nymph lake retreat.
Jenny is named after a fan of the Xanth series who corresponded with Piers Anthony after a severe car accident that left her partially paralyzed.
Jenny, who is based on the elves of the ElfQuest series by Wendy and Richard Pini, comes from the world of Two Moons.
With his spirit temporarily anchored to Breanna of the Black Wave, he traveled around Xanth with her, and the pair ultimately fell in love.
Justin was subsequently returned to human form and took youth elixir to restore him to the age of 18, spending the next three years with Breanna and marrying her when he was 21 again (following the events of Swell Foop, during which time he bore the Ring of Idea), then assuming the duties of the Zombie Master full-time.
He and Breanna subsequently became the parents of a child named Amber Dawn, who had been delivered by the time of Cube Route.
She traveled with Mela Merwoman and Ida in The Color of Her Panties in order to ask the Good Magician Humfrey.