It's interesting who can and cannot see lemmy displaynames. This is my Dolphinfucker420 account lol. @Sharkfucker420@lemmy.ml is my main (though this one is my original) but I made all my accounts around the same time a few years ago on different instances. I use displaynames to differentiate them. Some people see them and some don't.

My other accounts are Fishfucker and Crabfucker