I agree with A_Toad! There is no such this as an original story, everything is inspired by something! If it is too similar, or too obviously referencing a famous story, consider changing it to make it your own. While referencing something famous visually can add comedic value (like an inside joke with your readers!) using something famous in the design of a recurring or important character can feel overdone or uninspired.
Think about what you like most about the poses or the clothing in the famous story. Does it have an eye catching color scheme? Does it use dynamic shapes? Does the pose or clothing help convey something about your character, like their job, personality, or something they like? Etc.
Also think about your character. What would your character wear if they were a real person? If they are cold or insecure, they might cover up more and wear layers. If they are bold, their clothes will stick out! If they do a hard job, maybe their clothes will be worn out or dirty. How can you take what you like from the famous story and incorporate that into what your character would like to wear?
I hope this helps, and best of luck!!