You Son of a Bitch, I'm In - Yes, they're real. http://catmagicpunks.com/

So… They're just cat lovers then?

Pretty sure most people are against white supremacy. It's typically a given if you're a good person, really doesn't require a special club.

Of course, that's if they're against actual white supremacy and not "White people I don't like." Or simply that their idea of anti-white supremacy is just non-white supremacy.

They also sell this shirt of they're website.