If your theory it is that he is a scammer, you can bet he has connections with high governmental entities in Greece. And, indeed, he is a friend, or at least strongly associated with, of a former minister and father of the actual prime minister of Greece.
http://efie.net/change/rossi-ecat-cold-fusion-reactor-update/ You can bet that in both hypothesis, in being true or false, your complaint will not be heard. And given the economical and political stress of Greece right now, that possibility is far remoter. You should do something else, like, looking for the press.