Bradley's impression of Christopher Walken is also worth the watch:
https://www.youtube.com/watch?v=tNVx...outu.be&t=3m3s 
I'm not sure I can see a Wedding Crashers sequel work, story-wise I think there is not much room left to tell something original. At the same time, this cast was so great so even with a bad plot it would probably be so much fun to see them all together again.