Goblin Seeker  

These guys are not fun =\. they keept running around near the caves. so i logged on my 70 mage found one, and started killing it. everything was happy, untill by the end of the firsts death there were about 6 more then what i started with. at 70 they conned blue and light blue. casted a few spells, didn't hit very hard and have around 10K hp. and they dont see invis. just avoid them if you can. unless your going for druid 2.0 in that case you want to find them.