Of the eight Cosa Nostra bosses and Families listed below, who, in your opinion, throughout their history was the LEAST significant among them? And by the same token, who in you view was the MOST significant? ...And why?

A) Giuseppe "Joe" Cerrito (San Jose, CA)
B) Giuseppe "Joe Z" Zammuto (Rockford, IL)
C) Francesco "Frank" Zito (Springfield, IL)
D) Giuseppe "Joe" Civello (Dallas, TX)
E) Simone "Sam the Plumber" DeCavalcante (Elizabeth, NJ)
F) Vincenzo "Black Jim" Colletti (Pueblo, CO)
G) Anthony "Tony G" Giordano (St. Louis, MO)
H) Frank "Frankie Bal" Balistrieri (Milwaukee, WI)