Alts can be pretty confusing sometimes and I'm suggesting that we should have the ability to change the nickname of a player but only we could see it. For example player "Jimmy" creates a new character called "Michael" and he tells me about this. All I would have to do would be to type /rename "Micheal" "Jimmy".
In short: /rename [Old Name] [New Name].

+1 good for us old geezers

Could be handled with a plugin as well.

+1

This would be useful for pirates and prey as well.

You could flag another player as either a killer or a runner without needing external plugins.