Gugu, Spooking Goblin

Lore
Gugu loved nothing more than to prank others and relish in their horrified reactions. His penchant for mischief was too great for his fellow goblins to tolerate, and so they cast him from their mountain dwelling. He was aggrieved little, for he knew a nearby village of humans which would undoubtedly provide him with endless entertainment...

Acquisition
Halloween Login Promo, October to November 2016

Name origin
?

Additional Info
First stage of a 3-stage evolution.