/rn help - Shows you the help for Random Name
/rn name <Player> - Gives a player a random name.
/rn remove <Player> - Restores a players name.
/rn set - Sets the item in your hand to a Random Name Block.
How To Use
First, pick a block of your choice, then put it in your hand. Then execute the command /rn set. This will change its name Random Name Block. Place it anywhere you like, and after it is placed, players can punch it to receive a random name. Players random name will get removed after 30 mins of having it.
rn.command - Access to /rn
rn.help - Access to /rn help
rn.name - Access to /rn name
rn.remove - Access to /rn remove
rn.set - Access to /rn set