Gays Battle Grandpas in "California Gurls" Music Video Parody War Matt Cherette · 07/08/10 09:49PM Once in a while—remember this?—a music video that naturally lends itself to parody is released. The most recent one is Katy Perry's "California Gurls," and—in the parody war—there are two contenders: gays and grandpas. Inside, video of both.