It's a puppet monster muppet thingy.
Can be applied to the RoC Murloc, TFT Murloc/Mur'Gul and Mur'Gul Slave:
Paths:
units\creeps\Murloc\Murloc.blp
units\creeps\MurlocFleshEater\MurlocFleshEater.blp
units\creeps\MurlocMutant\MurlocMutant.blp
units\creeps\MurlocNightCrawler\MurlocNightCrawler.blp
units\creeps\MurlocWarrior\MurlocWarrior.blp
Units\Creeps\MurgulBloodGill\MurgulBloodGill.blp
Units\Creeps\MurgulReaver\MurgulReaver.blp
Units\Creeps\MurgulShadowcaster\MurgulShadowcaster.blp
Units\Creeps\MurgulTidewarrior\MurgulTidewarrior.blp
Units\Creeps\MurgulSlave\MurgulSlave.blp
Icon's coming soon.
Keywords:
muppet, puppet, monster, murloc, mur'gul, hairy, sock, sesame street, jim henson look-alike puppet-thingy