Kelsey

https://listverse.com/2013/08/30/10-disturbing-tales-of-doppelgangers/ 

Images

Google Images

Alanna

https://www.theparisreview.org/blog/2022/07/28/the-face-that-replicates/

Reddit

https://www.goodreads.com/work/quotes/236056

https://en.wikipedia.org/wiki/Doppelg%C3%A4nger