Firefly
Tua gave me Firefly for my birthday. It's not quite like Homer's giving Marge a bowling ball because I really love Firefly, and I was asking for it. But Tua really REALLY loves it. I think he's obsessed in the way I'm obsessed with Harry Potter and Tua's brother B. is obsessed with Spiderman; it's his other world.
I must say, though, I think if you could make my shadow-side visible, it'd look a lot like Jayne.