Actually, while depending on how you view Aerith she COULD be the god of Gaia, I was more thinking in the Someone Messing About sense of intelligent interference. I mean, we've got Jenova for proof of aliens in the FFVII universe, and then just how intelligent is the Lifestream after all - and is it more sentient after Aerith dies? LOTS of people could be Messing About.

Also, "class on Heidegger"? Unless your school was TOTALLY AWESOME and gave classes on FF characters, I'm assuming you meant Heisenberg :)