Jenny Over-There: The Nine-Two-Five Universe (series)
From Jenny Everywhere Wiki
Jenny Over:There: The Nine-Two-Five Universe was the title given by Callum Phillpott to their series of prose stories starring their creation Jenny Over-There.
Recurring elements of the series besides the titular character and her universe included the Multidimensional Finders Service, the Man in Grey, Dynamite Thor, and frequent minor appearances by other public-domain or open-source characters.