You can also use (in the newest minecrfat snapshots) this commandblocks
You make a clock and place a commandblock to the side of the redstone, with this command.
/kill @e[type=Enderman]
He kills every Enderman in the game.
You can also use (in the newest minecrfat snapshots) this commandblocks
You make a clock and place a commandblock to the side of the redstone, with this command.
/kill @e[type=Enderman]
He kills every Enderman in the game.