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The pic in the upper right looks like they could be dragon eyes. However, as Sniperhank said, the names are pretty much made up as a marketing gimmick. As far as growth rates, I think they grow pretty quickly once they're established.
I bought this eagle eye frag / mini colony in December (around December 21):
Here is the same colony as of April 20.
(Sorry for the glare and a little blur.) You can see they now completely cover the frag plug which is about 1-1/2" diameter. I think some may have spread to the surrounding live rock as well.