im asumming you guys are having trouble finding some models, so allow me to help

Ayaka
https://www.youtube.com/watch?v=tdQRWzCcyYY

Chongyun
https://www.youtube.com/watch?v=Mz-mzztjoJk

Xiao*
https://www.youtube.com/watch?v=IX7Bdj39ZE8

Xingqiu*
https://www.youtube.com/watch?v=X3889YDXYNI

Xinyan, Zhongli, Unusual Hilichurl, etc
http://ys.biligame.com/pjdkx/

Ayaka, Chongyun, Xiao, and Xingqiu (and Beidou) were rigged by someone called Impmagik, so credit them along with MiHoYo when you decide to port them to Gmod
Xinyan and Zhongli are official models, so yeah.

*Their physics are kind of wack