producer. [ 11 [[ http://en.wikipedia.org/wiki/Puss_in_Boots_(2011_film)#cite_note-10 |]]] Except for Puss, the film features new characters. Citing the co-writer, David H. Steinberg , "It doesn't overlap with Shrek at all. Partly that was done to tell an original Puss story, but partly because we didn't know what Shrek 4 were going to do