Iris Wildthyme in popular culture and mythology

Iris Wildthyme was a vastly complex woman, and due to her conflicting and ever changing history, many of aspects of her life had become fictionalised in the 20th century, the 21st century, and beyond. This was similar to, but on a smaller scale, how the the Doctor, the Cybermen, and the Daleks had become intertwined in Earth's history.

As a real person
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From Wildthyme with Love
According to Iris herself, she claimed that parts of her life were missing due to the episodes being junked back in the 1960s.

Panda later told Iris that a man "who looks a lot like TV's 'Catweazle'" claimed that Iris had become a multi-platform franchise, and although Iris said that she didn't know what he was talking about, Iris listed off various mediums relating to that franchise: Spin-Off Audio Adventures, Original Novelisations, Computer Games, and Comic Strips. (PROSE: From Wildthyme with Love)

As a book series
Conflicting accounts establish that Paul Magrs wrote many Iris Wildthyme novels, circa 21st century, which were inspired by the real Iris Wildthyme (PROSE: Bafflement and Devotion, The Magrs Conundrum!), which included Iris Wildthyme & the Many-Tentacled Menace from the The Continuing Adventures of Iris Wildthyme series. (PROSE: The Magrs Conundrum!)

The book series would later get adapted into a TV show, and a Christmas special called Iris Wildthyme & the Mars Conundrum was aired on on the 24th of December, 2017. (PROSE: The Magrs Conundrum!)

Other works
John Cleavis once came up with a story about a "strange old aunt" who "happened to own a double-decker bus that [could] travel to [a] magical world". (PROSE: Mad Dogs and Englishmen)

Meta-fiction universes
In one meta-dimension, Iris existed only as a fictional character. (PROSE: Wildthyme Beyond!, AUDIO: Looking for a Friend) The seventeen-episode The Iris Wildthyme Show inspired a cult franchise with CDs, action figures, comics, fan conventions, and over 300 tie-in novels. (PROSE: Wildthyme Beyond!)

In his youth, Arthur Bayer wrote several stories about a woman who travelled through time and space in a double-decker bus with a panda. (AUDIO: Looking for a Friend)

Hyspero
On Hyspero, there was once a twenty-story tall sculpture of Iris Wildthyme's grinning face, which was erected after Iris' first trip to Hyspero. (PROSE: Enter Wildthyme)

Behind the scenes
"'Iris and Panda suddenly found themselves not only transformed into fiction, but trapped in the bleed margin!! Help us, duckyboos!'"
 * The cover of the Wild Thymes on the 22 anthology depicted Iris Wildthyme signing copies of Wild Thymes on the 22, The Perennial Miss Wildthyme, Iris: Abroad, and Iris Wildthyme of Mars.
 * On the bleed margin of The Panda Book of Horror, there is a very faintly printed sentence:
 * to be added