Some articles on pietruccio:

Dik Dik - History
... The band was established in the early 1960s by Giancarlo "Lallo" Sbrizzolo and Pietro "Pietruccio" Montalbetti, who grew up in the same neighbourhood of Milan, in the Porta Genova-Lorenteggio ... bordo (1982), the band essentially went on hiatus, with only Pietruccio, Pepe, and Lallo actively in the project ... when "Dik Dik" was finally reserved to Pietruccio, Pepe, and Lallo Favia and Carlotto thus had to choose another name, "GiĆ  Dik Dik" ("Ex Dik Dik") ...