Google the good the bad and the ugly director and see what comes up. Wait lets save some time I will do it for you.By the way replaytime, you look like doubly a fool when you do not read the sites that you yourself linked.
From the article linked by both you and I:
"As one of the first spaghetti westerns to be released in the United States, many of the European cast and crew took on American-sounding stage names. These included Leone himself ("Bob Robertson"), Gian Maria Volonté("Johnny Wels"), and composer Ennio Morricone ("Dan Savio")."
Sergio Leone The Good, the Bad and the Ugly, Director
Want to admit you are wrong yet. You can try Bing search if you want but you will get the same results. LOL