change a players name?

[OhYa]

Is there a way to change your Players Name on the server?

 

I wanted to let my Ops have Custom Name when they log in.

 

example

My name would be OhYa on my server, even though my minecraft name is playerxyz

 

playerxyz = OhYa

 

Thanks

[disconsented]

Besides something like essential's nicks then no