The dog (Eddie) on Frasier was originally played by a JRT named Moose, and later by his son, Enzo. Moose was impossible for his first owners; it was only when he wound up in the hands of experienced animal trainers and given a "job" that his potential was realized:My understanding is that terriers can be . . um . . independent, and not respond well to training. Especially Jack Russells. Though there are exceptions= a dog in Fraser, and a childrens TV show introducing classic books. years ago I worked with a JR to clear rats out of a barn; he did a great job! Just not a dog to pat and cuddle with--total working dog. McGee THey are trainable, just not as easy as other breeds . . .
http://en.wikipedia.org/wiki/Moose_(dog)
(And here's the dog from Wishbone, if you're curious!)
http://en.wikipedia.org/wiki/Soccer_(dog)
My sound for "don't even think of going there" is more like ahh! Of course, I have a glare that puts even broody stink-eye to shame; when you deal with something as big as a horse, you need something in the arsenal to head it off before it begins. It's funny - I can walk through a flock of chickens without ruffling a feather, or scatter them with one look. Power! Bwahahahaha!
