What's with all the dragons; on the book, the website, and blog?

As you may remember, Arthur's father was Uther Pendragon. The way we think of names today, that would naturally make him Arthur Pendragon. However, in Medieval times it wasn't a last name. As you can see in the excerpt from the Online Dictionary below, PENDRAGON is a noun. Pen-dragon -- it literally means the head dragon.

www.thefreedictionary.com/pendragon

(Historical Terms) a supreme war chief or leader of the ancient Britons. [Welsh, literally: head dragon].

By the way, according to legend, King Arthur's flag had a dragon on it.