Fancy rat the first film. Here, the protagonist befriends the rats found in his home and builds up a close relationship, only to have it end tragically. While these movies generally emphasize the popular perception of malevolence—they kill people and cats and ransack grocery stores—other wild rats who become pets are portrayed in more neutral to positive ways; the television show, "House", briefly featured "Steve McQueen", the pet rat of the titular character. In certain versions of the Teenage Mutant Ninja Turtles franchise, the master and adoptive father of the turtles is Splinter, who was once the pet rat of ninja Hamato
Brown rat as Hairless or Rex, and more recently developed variations in body size and structure, including dwarf and tailless fancy rats. A working rat is a rat trained for specific tasks as a working animal. In many cases, working rats are domesticated brown rats. However, other species, notably the Gambian pouched rat, have been trained to assist humans. Jensen, J.-K. & Magnussen, E. 2015. Occurrence of fleas (Siphonaptera) and lice (Phthiraptera) on Brown rats ("Rattus norvegicus") on the Faroes Islands. Norwegian Journal of Entomology 62, 154-159. Overviews "Rattus norvegicus" genome and use as model animal Brown rat The brown rat ("Rattus