How to say "iTouch 5" and "iTouch 5 dragon" in English?

When referring to "iTouch 5" in English, it is simply called "iPod touch 5th generation." This device was released by Apple in 2012, and featured a 4-inch Retina display, an A5 chip, and a 5-megapixel iSight camera. It was available in various colors, including silver, space gray, pink, blue, and yellow.

As for "iTouch 5 dragon," it is not a commonly-used term in English. However, one could describe a custom-designed iPod touch with a dragon-themed case as an "iPod touch 5th generation with a dragon case." The word "dragon" in this context would simply be an adjective describing the case design.

In general, English speakers do not use the term "iTouch" to refer to the iPod touch. It is more commonly referred to as just "iPod touch" or "iPod."

Overall, when discussing these topics in English, it is important to use the correct terminology in order to be clearly understood.