Wanna see the worst boss?(easiest)

[Jack I]

I wouldn't be judging them by just their level, mate, unless you have indeed fought one alone. ^^

Originally Posted by Release Notes - October 3rd

Boss Enemies can now be found in the Caribbean. They are marked by a glowing skull icon over their heads and are much more difficult to defeat than normal enemies of the same level. Some boss enemies will always spawn in the same location, while others are more rare and randomly spawn throughout the world.

(bolded my reason. -.^)