Greg the Flamingo is the first chest keeper in the Burbtopia.
Greg is pink flamingo equipped with shield and battleaxe. He is also very terrifying. Next chest keeper is Tim the Toucan.
After defeating the boss, you receive a 
Blue Chest as a reward. Greg the Flamingo may be defeated only once per timeline.
Achievements[]
After defeating Greg the Flamingo for the first time, you receive an achievement "Clear Area XX" which multiplies non-tap monsters' DPS by 1.02.