Who is the director of the film produced by Blue Sky Studios and with the screenwriter David Nathan Weiss?
David N. Weiss:  He is a screenwriter of films, including "All Dogs go to Heaven", "The Rugrats Movie", "Shrek 2", "Clockstoppers", "", "", "The Smurfs" and "Ferdinand" and has also written for television shows such as "Mission Hill", all of which were co-written with his writing partner, J. David Stem.
i don't know