Unfortunately this is just a fake C64 demo animation! 
Nonetheless since I didn't find any programmable GIF-Animation-Tool (most of them just converted existing animations (.mov, mpg, ...)), I had
to write my own tool.
It's mainly a PERL program triggering ImageAlchemy with different parameters to paste pics together to frames and afterwards stitch them together to an animated GIF.
 After I did this I started to learn assembler again and program some real  C64 demos! ;-)
 At the moment just in the emulator. 
 I like footnotes! ;-)