Delidog, I didn't know any of those answers!

Here are some new questions, first an easy one...

Name the horse and his owner from the old TV show that featured the theme song "A horse is a horse of course of course..."

What does the name Paso Fino mean and what is this breed known for that is different from other horses?

What is unique about Icelandic ponies? What is a "Tolt"?
How old are they when they are first ridden and how old are they when they are fully grown?