C. Morrison's FAQ said:
Q: Ok, dude...seriously, what's the deal with all the buff chicks?
A: This goes back to when I first started doing webcomics back in 1995. At the time, I was still reading a decent amount of comic books (which I stopped reading in 1996). I was looking for an angle that would separate my art from the countless other spandex-stuffers out there, and the angle I chose was women with muscle...I figured that if these women were gonna be heroic, they should at least look that way. I also wanted to create characters that played against type; typically, muscular women in comics (and in everyday life) are too often depicted as brutish, masculine thugs. What I wanted to do is not create characters that were muscular for muscularity's sake, but rather everyday people that just happened to have problems buying off-the-rack clothing. These are characters that are less likely to use their strength for fear of permanently damaging someone as opposed to just smacking someone over the head with a telephone pole just because they said something rude. Back on topic, PCC's roster is full of women of a wide variety of shapes and body types, and with more characters on the way this assortment will become even more varied.
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Don't be afraid, though the only thing left in here, is hate. 
