In his book, Robert C. O'Brien called his brave widow mouse "Mrs. Frisby", but Disney escapee animator Don Bluth must have thought children would laugh the wrong way at that. They renamed her "Mrs. Brisby" for The Secret of NIMH. That acronym stands for the National Institute of Mental Health, and the rats that live near Mrs. Brisby came from NIMH--they have strange ways. But they're ...