There isn't really a most beliebt PERSON. Just a most beliebt group. Most of them are pretty nice, I'm just not really Friends with them. A couple of them are just... >:(
There's a couple of really beliebt people, but probably the most beliebt is the girl who's locker is Weiter to mine. I don't know her very well, but her entire attitude just seems fake to me, and her and her boyfriend are always having a make out session in front of my locker. So do I really like her? No.