There are many movies featuring Jack Russell Terriers as pets.
My Dog Skip (2000) tells the story of the strong bond of friendship between Willie (who is nine years old at the beginning of the film) and Skip the dog. The film is based on the autobiographical novel by Willie Morris. Skip is played by two dogs, one of whom is named Moose, and the other who is called Enzo. Enzo is Moose's son in real life. Both Jack Russell terriers also appear as Eddie in the TV sitcom Frasier.
Ernest Goes to Jail (1990) and Ernest Scared Stupid (1991) both feature a male Jack Russell Terrier called Rimshot, who is characterised as being cute and clever.
Clean Slate (1994) features a Jack Russell named Barkley, who wears an eyepatch due to a visual impairment.
Hotel for Dogs (2009) has a Jack Russell Terrier named Friday as one of its main characters. The same dog actor (whose real name is Cosmo) also appears in Paul Blart: Mall Cop (2009) and Beginners (2010).
The Mask (1994) features a Jack Russell Terrier named Milo as one of the only friends of Stanley Ipkiss (played by Jim Carrey).
In Water For Elephants (2011) a Jack Russell Terrier called Queenie plays a minor part. The same dog, whose real name is Uggie, plays Jack in the French black-and-white silent film The Artist (2011), where he saves his owner's life.