The reason for hiberation is uncertain. It is either due to being (happily) stuck under a large thumb for several years or due to having spent 18 months finishing a fucking road race of approximately 26 miles. Slow cunt. See 'RUFUS?'
Goblins can be highly malicious, coming from a very competitive society. Some groups of goblins work together strongly under great leaders, whilst others may simply bicker and squabble amongst themselves.
Goblins have a sharp and sometimes biting sense of humour, and their simplistic logic often makes for hilarious situations - however, it may also provide the goblin a mechanism unthought of by more logical and less chaotic species.
Possibly related to orcs (ork).
Skwelch the powerful goblin necromancer: I iZ nOt and nEvvA aZ bIn a neKroManseR! eYe iZ a fAYmuS goBblyN baRdd!
Leaf: OK then!
Joe: "Yeah no shit ya prick, its called shitting out a goblin. Hehehe"