before we start you might want to take a look in these 3 articles https://web.archive.org/web/20210125191016/https://jakecreps.com/2018/11/02/sock-puppets/

https://www.secjuice.com/the-art-of-the-sock-osint-humint/

https://www.reddit.com/r/OSINT/comments/dp70jr/my_process_for_setting_up_anonymous_sockpuppet/

you can use this for fake personality generator https://www.fakenamegenerator.com/

you can use this to generate photos of people that doesn't exist  https://www.thispersondoesnotexist.com/

for anonymous payment use  https://www.thispersondoesnotexist.com/