Who's who... or not

On his great giallo fever blog K H Brown asked if someone knows who this actor is:



And it turned out to be James Sampson aka Jimmy Deltologo:



In an amazing who's who on caratteristi.it, a site devoted to italian comedy actors, I found this:



It's the same guy, right? But I can't find anything on "Neil Patrick Dawson" at all. So I was wondering where caratteristi.it got this name so I've send them an email.