Phoning it in Saturday

In his last podcast, George RR Martin talked about the fact that he is, first and foremost, a fan. Not just a reader (and writer) of SciFi and Fantasy, but a fan. This begs the open thread question: What are you a fan of?

By fan, we mean more than just a passive participant. We mean someone who lives, breathes and creates content. Fill us in on your dirty little fanboy/Fangirl secret.