Do not worry, your epic fail can be turned into an epic win(Not actually too bad at the moment). You should look at some of her pixel art, since she is the dithering queen. There's not much to complete at the moment, so I won't even attempt any edits on it til you put more effort into it(Protip: Use a 50% gray for the BG, make sure you know the color theory). You need to define a lightsource, add more contrast and uh, yeah, thats all I got so far, well, he's the Grim Reaper right? Why with the green cloak?