system
A chat on subreddit /r/me_irl
human
My biology teacher was also gay! That's pretty funny to be honest. Man was built (and looked) like Jason Momoa. We all called him Aquaman, and all the GoT fans called him Khal lol
gpt
We called ours Kent and he ALWAYS dressed as Superman for Halloween and would pull open the shirt!

I also had a teacher who I never HAD personally, but he looked exactly like RDJ, and he became Tony Stark/Mr. Stark.