Astolfo Effect
A phenomenon where a historical (or otherwise original) figure gets overshadowed by its version from modern culture. Named after
Astolfo, who is originally a character from a French legend, but most people nowadays know him from the Fate anime franchise as the guy who looks like a girl, also referred to as trap or
femboy.Most prominent if you try to look their images up. There are even more famous examples, such as the infamous dictator
Nero Claudius.