"In early 1995, James Gosling, the creator of Java technology, demonstrated what was then called WebRunner to a conference of technology-oriented entertainment-industry professionals. The sophisticated audience already knew about the Internet and its static images -- been there, done that. But this was different. When Duke somersaulted across the screen, the audience gasped with the instant realization of how dynamic the Internet could become. The rest, as they say, is history." [source]

Gosling Talks Duke

Now, we have Open Source Duke and use of more animations and images

Wish I had one of these