I think that is a great start for a first animation. The rigs look very cool and you have a good sense of character expression; I can really see the emotion/ attitude in the eyebrows and other facial expressions. I would try to exaggerate some of the mouth shapes when syncing the audio though, for instance when he says "how you", I would really make that OO shape the mouth makes more apparent. Great job all together though, keep up the good work!