Luigi Sue

A term used to describe a fictional character who is seen as Luigi from Super Mario Bros, originally written as an idealized version of an author in fanfiction.

"I hate Melia so much she's a Mary Sue"
"Melia is not a Mary Sue it's a Luigi Sue"
"what"
"A Luigi Sue is a character who is se-"
"oh god the brainrot is back isn't"

Canon Sue

A character in fan fiction (typically the author themselves) who is inserted into an existing universe and is unrealistically perfect. A fan-fiction version of Mary Sue: A term for a character who is unrealistically perfect without any flaws in (original) novels (Male of Mary Sue: Gary Stu)

"When she wrote herself into Harry Potter as the best witch ever, becoming the headmistress of Hogwarts while being a student, defeating Voldemort with itching powder and a single sponge, she created a canon sue."

Crafty-Sue

A person, usually female, who is obsessed with making craft items such as quilts, sewn items, jewelry, etc.

"Gwen is a real crafty-Sue! Have you seen the quilt she made?"