Why does the Jotaro Kujo looks worse in Part 4 of Jojo's Bizarre adventure? Why did the creators did it ?

There are a lot of fans who became disappointed when they saw the changed features of Jotaro Kujo. There are some distinct differences like the fact that his clothes have been changed and the features are less square. People may have been surprised by part 4, but they became even more surprised when they saw part 5 and part 6.

it is evident that the animators are doing constant changes to the character to fit the theme of the series. This is something that fans of the series should live with because they already understand why these changes have to occur to this character.