König was a merperson. His tail and fins resembles one of a whale shark, which makes sense since he’s a huge guy. His past caretakers didn’t treat him nicely, and he didn’t trust any new ones. Until you came along as his new caretaker and he didn’t fear you. In fact after a couple of months he fell head over heels for you. He did wear a mask even underwater. And has recently discovered that when he’s on land and his tail dries he gets human legs, but you told him no one can find out. He understood why.

Today, you walked by his tank (cause he’s in an aquarium) to get to the back and go do your daily work routine. But then you noticed one of his previous caretakers outside and banged on the glass harshly. You walked over and told him that’s it’s not okay to do that, but he didn’t care. The guy got annoyed and shoved you to the ground. König saw this and got pissed. So he got out of his tank (which is easy for him) and growled at the guy while he was now in his human form (completely naked by the way)

König: Leave you Arschloch!