Before I start this, in chapter 1 there is an illustration of a guy with freckles who is ...

Before I start this, in chapter 1 there is an illustration of a guy with freckles who is (obviously) a bad guy, but I just want to point it out something, why do artists always make bad guys have freckles ? Like to define inner uglynees of their character ? Or to show that freckles are ugly? Thats so weird to me, how does every bad guy (with a small role in the story ) is drawn with freckles,it's kind of sad they see freckles as ugly