Well, it could be that your manga version would have exaggerated proportions to emphasize certain traits. For example, if you're known for your kindness, you might have a warm smile and soft lines. Or if you're sporty, you could be shown in dynamic poses.
The main character of Pulp Fiction has a unique and distinctive look. He's often portrayed with a cool and laid-back style, sporting a particular hairstyle and a certain way of dressing that gives him an edgy charm.
Well, to look like a comic book character, you need to focus on both appearance and attitude. First, get the right costume - think bold colors and unique designs. Then, work on your hairstyle - something wild or distinctive. And don't forget the expression and poses - be confident and dynamic like they are in the comics.