Here's something on the correct Salvatore Todaro in case anyone is interested:
He was a Regia Marina sub skipper during World war 2. Apparently he sunk four ships during his career(details
here, select his name from the drop-down menu) and survived the war.
Here's an article on the Italian submarine Cappellini, which he commanded during several war patrols
http://www.regiamarina.net/subs/subm...pellini_us.htm