Figarland Garling has undoubtedly marked his little screentime (so far) with feats of pure violence, executed in cold blood and without regrets.
He personally proposed the civilization to be exterminated for the next Human Hunt, the very civilization of the woman with whom he recently had two twin children.
He initiated the same game by killing the king of said civilization as a starter and then gave vent to his uncontrollable murderous pleasure by killing God Valley's civilians left and right for sport.
He stabbed to death the woman who bore and raised his children, calling her unworthy, right next to their cradle. Smiling and looking into her eyes as he did so.
In the present, he personally executed Mjosgard for protecting the Queen of the Fishmen, giving a clear idea of his way of seeing and judging the world around him.
And I think this is just a taste of what we'll see from him in the future... He's being built as the Ultimate Weapon of the Celestial Dragons under Imu.
It's almost as if Lucci's lucid ruthlessness and Doflamingo's overwhelming megalomania merged into one ice-cold being.
Overall, Garling looks like one of the closest depictions of a full psychopath we've ever had in the story.
Am I the only one with this impression of him?