Not the easiest thing to do, but there are a few things you can try if you want to see consistent characters in your midjourney prompt.
Free PDFs:
https://cameralens.futuretechpilot.com/
https://200styles.futuretechpilot.com/
https://cheatsheet.futuretechpilot.com/
Links:
Merch – https://FutureTechPilot.threadless.com
Discord – https://discord.gg/hK6AmynjAn
Creative Fabrica – https://www.creativefabrica.com/spark/ref/1323759
My MJ Gallery – https://www.midjourney.com/app/users/991837135667728504/