Many people notice the Japanese names are completely different from the Standard Chinese (Mandarin) names, here's the Cantonese pronunciations for comparison.

Yes, I know there's an error at Hu Tao, I grabbed the wrong video transition and didn't notice until after uploading. And sorry about the audio static, not sure how to fix that, I'm recording with my earbuds' inline mic.

00:00 Background Info
01:02 Disclaimer
01:58 Liyue
02:19 Beidou
02:58 Chongyun
03:32 Keqing
04:30 Ningguang
05:24 Qiqi
05:40 Xiangling
06:08 Xingqiu
06:47 Xinyan
07:06 Zhongli
07:41 Ganyu
09:02 Xiao
09:15 Hu Tao
10:02 Hu Tao the hairdryer
10:27 Yaoyao
11:01 Baizhu
12:08 Ningguang's title (Liyue Qixing Tianquan)
12:53 Keqing's title (Yuheng)
13:15 Rex Lapis's title
13:36 Moon Carver
13:53 Cloud Retainer
14:07 Mountain Shaper