Mozart’s the Magic Flute is largely a metaphor about the Freemasonry and the Enlightenment augmented by crude jokes.
Fiction (in literature) is a genre of writing that denotes being derived from the imagination. Fiction is a broad category that includes may sub-genres. The term is used mainly to differentiate from non-fiction.
Mary Shelley’s Frankenstein (1818) can be read as a political metaphor where Dr. Frankenstein and his monster represent the philosophies and attitudes of the liberal revolutionaries, specifically those of the French Revolution and ensuing “Reign of Terror.”
Frankenstein; or, The Modern Prometheus is a novel by Mary Wollstonecraft Shelley in which Dr. Victor Frankenstein creates an unnamed “monster”.
In chapter 5 of Mary Shelley’s Frankenstein the monster is described to have yellow skin. There is no mention of bolts in his neck in the book.