Espurr

I usually base it on their primary color or a pattern they wear and I also use Wikipedia to look up people from their place and culture for last names. Ex. Kai Shian (cyan) Zen Midori (green)...

A left-handed katana, it's just a regular katana it's just called that to make it sound cooler https://www.notebook.ai/plan/items/116269 not ridiculous just made more ridiculous because of its name...

I put any of their mental/physical illnesses or disability. I too was stumped when first using it but I think I figured it out.

Dazie: Cool (goes back to eating cereal) Euclidian: Have you chosen a new name or do you want to go by your old name, do you have new pronouns, have you told your siblings yet, etc.