How can I write a sexually perverted villain without seeming creepy myself?

In Chapter 3 of my book, a young male superhuman is using his superpowers to spy on and harass women in the women's shower and locker room at College. The heroes identify that the woman is being stalked, and set out to find the perpetrator, who happens to be a mutant male capable of Invisibility.

First of all, is this too cliche?

Secondly, do I come across as perverted for inventing a perverted villain? Or is this just normal development of villains in fiction? I don't know what to do about this chapter. Maybe leave it out, I don't know.

How can I write a sexually perverted villain without seeming creepy myself?
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