A recent seeker ended up here on the following search-string:
hello kitty she-devil pics
Whenver I see the phrase "She-Devil," my mind always goes first to Red Sonja (She-Devil With a Sword), so towards that end, I give you this:
Of course, maybe you were looking for something more like this:
And finally, to cover all bases, here is my Hello Kitty version of Shanna the She-Devil:
I have to say that a Hello Kitty version of Shanna is a bad idea, as her presence would inevitably lead to a competitive rift between Shanna's husband Ka-Zar and Zabu, his faithful saber-toothed tiger companion.