early jeff the killer images (named 'white powder' on a japanese website)

http://pya.cc/pyaimg/pimg.php?imgid=17882 - September 10, 2005
http://pya.cc/pyaimg/pimg.php?imgid=20716 - November 16, 2005

'Jeff' appears in a video from 2007:
https://www.youtube.com/watch?v=PWyWyoBwy3w (at 4:10)

The alleged Katy Robinson appears in a bizarre 2007 Greek tribute video to an old Greek band called "To Plokami Tu Karxaria" (The Shark's Tentacle)
https://www.youtube.com/watch?v=hnORQncxt5Q (at 2:22)