Witch

Jesse Brain, a witch helps her father with a magical ritual. (COMIC: For Whom The Toll Bells)

Witches existed in some universes as a specific type of magic-user, a practitioner of witchcraft.

Nature

One version of Jenny Everywhere once claimed that she believed that witches were usually the good guys in fairy tales, a statement which dumbfounded one real witch. (PROSE: The Apocryphal Journeys of Jenny Everywhere)

One Emperor once used the words “witch” and “wizard” to refer to shifters such as Greta Överallt and Sven Allestädes, although this seemed to be informal. (COMIC: 24 Hour Comic 2019) One Jenny Everywhere denied being a witch. (PROSE: The Interlude of Jenny Everywhere)

History

In Reality Z-25 31-H

In Reality Z-25 31-H, witchcraft could be formally studied at New York University; Jesse Brain and her friends Alicia and Babs were witches. They studied spells with various purposes, divination, and the summoning of demons. (COMIC: Blast From The Past, For Whom The Toll Bells)

In the Land of the Naked Emperor

One Emperor once used the words “witch” and “wizard” to refer to shifters such as Greta Överallt and Sven Allestädes, although this seemed to be informal. (COMIC: 24 Hour Comic 2019)

In Reality B-89 54-2

In Reality B-89 54-Z, there existed a number of witches including a legendary “Wicked Witch” known as Grandmother Ginger, and another witch who also lived near the Candy Forest, Old Mother Westwind. (PROSE: The Apocryphal Journeys of Jenny Everywhere)

In the Prime Universe

In the Prime Universe, “witches haggling over groceries” were among the strange sights which were oddly common in the Home City. (PROSE: The Interlude of Jenny Everywhere)

In the Land of Oz

Many universes which housed versions of the Land of Oz were home to witches.

In Acquaintanceship's Oz

In the Oz of one Prime-adjacent universe, which was visited by Acquaintanceship-982, Glinda was known as the Good Witch. There was also a former Wicked Witch of the South, Blinkie. She once had innate magical powers, but they were taken from her by benevolent Ozites after they defeated. Later, after a Love Potion-aided change of heart, she was advised to petition Ozma to get them back so that she could become a benevolent magic-maker in Ozma's retinue. (PROSE: The Crew of the Copper-Colored Cupids in Oz)

Other Oz-based references

When she appeared in the meeting place of the Secret League of the Orange-Bearded Gnomes, an accusatory King Roquat asked Jenny Everywhere whether she was a fairy or a witch. Jenny denied being either. (PROSE: The Interlude of Jenny Everywhere)

Other references

Alistair Neezley claimed to have once done a favour for the Witch of Walpurgisnacht. (PROSE: The Winter Quests)