Wikipedia has a good entry about him, and so do Biography.com and the Web Gallery of Art.
Anna greco
Aldo Greco has written: 'Aldo Greco'
Nikki Greco goes by Nikki Greco.
Betty Greco's birth name is Elizabeth Greco.
Buddy Greco's birth name is Greco, Armando.
Dennis Greco's birth name is Dennis A. Greco.
Valerio Greco goes by Valerio Greco, and Silentvalerio.
Sam Greco's birth name is Salvatore Greco.
Barry Greco is 6'.
Nancy Greco's birth name is Nancy Jeanne Greco.
Nicholas Greco's birth name is Nicolas John Greco.
Pavel Greco's birth name is Emiliano Pavel Greco.