Can anyone name this sound/voice effect?

A 192KHz sample rate is excessive and a huge waste of memory and download time, 44.1KHz will capture all the audio on your sample(2)…

Screaming bee have software (£$) which does something similar …
http://www.screamingbee.com/SoundClips/LichGuy.mp3
http://www.screamingbee.com/soundclips/Demon.mp3

Although a similar effect can be done from scratch by applying multiple effects … https://forum.audacityteam.org/t/trying-to-sound-like-a-little-girl/13524/17