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 ♥♥♥♥♥♥♥♥ models, so yeah.

*Their physics are kind of wack