General Bucephalus Calpurnia Higgins is Ladonna's pet rat. According to her, he is very smart. In Pets and Pests, he misses travelling and in the same episode, Kate Read, Pal, D.W. Read and Nemo mistake him for the mouse, gotten bigger and changed color. D.W. thought he'd changed from the food and Kate, Pal, and Nemo thought he'd changed because he was a "gabbernook".