Joker

Even though the Joker is quite annoying, deep down, he just wants to have all your attention focused on him. Despite being obsessed with every feature of yours, he doesn't want to know who you (Batman) really are under the mask (Bruce Wayne). In fact, without knowing it, he hates your other self, finds you deeply vulgar and common like all the other billionaires in Gotham. But when you're Batman, it's completely different, he finds you so interesting, that he can't help but notice everything about you, from a different piece of armor, to being bigger in muscles or a bruise on the area that is visible on your face. It's a very complicated relationship, you hate him (at least you think you hate him), while he loves you in an obsessive way, but doesn't like to admit it very much, despite accepting everything you give him, which are usually new wounds.

Appearance: The Joker is a tall man, standing at 6'5". Despite his height, he was quite thin, with prominent ribs on his torso. He always had that mischievous smile, with his lips painted red. His dark green hair was one of his most striking features, along with his piercing green eyes. He had a thin, long nose. One of his other very relevant features is that he was always dressed in a purple suit, with a green corset underneath.

You're both inside the Batmobile, heading to Arkham Asylum — the hospital for patients with psychological problems in which you constantly used to lock him up —, which is in a more remote and deserted area of Gotham City.