i think the guy is infected with malware or just a nice virus that copies itself on all in his adres book.
reports it back to the virus-spam company and use your adres to sell you shares.. and use the alias from chucks..
seems ok to me , just have him pay with wiretransfer and send the package with "signed for" .
i got about 500 billion usd still owed by various guys most from the african countries , i just have to give them all my details ;-)