It can be their name, their appearance, personality, etc. I typically grab personalities that are inspired from other media and mix them with others (as well as my personal plans for the character), as well as try to find a skin (via tailors) that is quite eye-catching as well. Names...
Karl legit became known because I kept commenting on what happened to him in my greenie days and it kinda stuck. People are friends with me now because of the amount of things that I said and now you have people just adding me and shi
He was also my biggest GangRP char and I was heavily...
+1 from me
Just as long as the information isn’t like… specifically questions asked on the exams. The teachers should give us something similar to the topic, but there’s also the chance this information could be metagamed and given to friends as previously stated by Zinth