Well, to draw good comic characters, first, do some studies of real people to get the hang of how bodies and features look. Then, play around with different styles to find what suits your comic best. Don't forget to add unique touches to make your characters stand out.
You need to start with understanding the basic anatomy and proportions. Pay attention to details like facial expressions and body postures. Also, practice a lot to improve your skills.
Drawing great comic characters involves a few key things. You should have a good sense of line quality and shading. Study famous comic artists for inspiration. And constantly experiment to develop your own style.