Frankenstein's Monster is an iconic character from Mary Shelley's novel, but there are many synonyms that have been used to describe the creature over the years. Some of the more common ones include "the monster", "the creature", "the fiend", "the abomination", and "the wretch". These names all convey a sense of horror and disgust, highlighting the unnaturalness of the creature's existence. Other synonyms for Frankenstein's monster include "the undead", "the living dead", and "the zombie", which emphasize the creature's monstrousness and lack of true humanity. Ultimately, whichever synonym is used, it's clear that Frankenstein's monster will always be one of the most recognizable and terrifying figures in literature and pop culture.