...
(From the account creator, not Lemongrab: In defense of Lemongrab... Princess Bubblegum created him wrong, and when he was first born, he screamed in terror, and was so frightened that his eyes rolled into his head. The guy isn't a jerk- he's horribly confused, possibly insane, and misunderstood. He isn't used to being alive. Furthermore, Princess Bubblegum created him to take the throne if she became unable to rule. When she turned 13, Lemongrab took the throne, as he was supposed to. And he ruled in the very best way that he knew how- he tried his best. But he fucked it up because he's a failed experiment. And HOW did Princess Bubblegum thank him for doing that job he hated, for trying his best even though everyone hated him? SHE GOT FINN TO HELP HER BEAT HIM UP, AND MADE HIM CRY. She created him wrong, then persecuted him for doing his job wrong when it was HER fault he couldn't do his job right.
As for the Finn/PB love thing, Lemongrab had NO IDEA about it. It wasn't his intention, and he was totally unaware of it. He was just doing his job.)
(Deep breath: ... There. Do you see what I'm saying?)