Settimo V. Adonis, born July 15, 1912, was a big time mobster from New York in the time of the Great Depression. Serving time in Sing Sing Prison for the murder of various officials and mobsters, as well as extortion & drug trafficking. The reported don of the Montana Crime Family, after moving to North Plains, Montana. Little is known about this notorious mobster, mostly due to the fact that he did not become a rat when getting arrested.