Copy-cat Sue
A fictional character whom copies attributes of popular culture characters such as a Book Character, a Movie Character or a television one. Or of another persons writings, such as their roleplaying character for D&D
Kind of like the meme, "Can I copy your homework?" then "Sure, just change it up a bit so it doesn't look like mine"
"Eunomio is such a copy-cat sue, they just copied my character and changed it a bit!"