Calogero Vizzini , (July 24th 1877 Villalba - July 10th 1954, Villalba) was a known godfather sicilian under the name of Don Calo . Just after the First World War, it becomes probably the first Capo di tutti capi.

It was a Justice of the Peace i.e. it regulated the conflicts between gangster. He was the pupil of gift Vito Cascio Ferro the first large godfather of the twentieth century, he was also the friend of gift Giuseppe Genco Russo his successor.