Wait, he said 'ex' maybe he means Amanda Knox's ex?
also, in the youtube comments:
i can't tell what's going on
found his google+ in case we need ithttps://plus.google.com/u/0/b/106060089011413151218/app/basic/107992333168345309684/about?cbp=1vc76abk5696d&cid=5&soc-app=115&soc-platform=1
Check his posts, each one is linked to the original video. someone check the audio from that video.
try control+f-ing the wikipedia page for 555
someone check the audio from that video.
On a final note, you might be looking for the wrong number.