You need the UUID of a player ? WimUUID is for you: you can view the UUID of a player and you can ignorate a player, it's very simple to use !
/getuuid <player> - Get the UUID of a player
wimuuid.use - With this permission, you can do /getuuid
If you want to ignore a player, simply put him in the list, save the config file and then reload/start/restart your server.
ignored-players: - Notch - Dinnerbone
