In the early 2000s, Marcello posed in G Magazine showing off all the goods, fully erect. He's quite large as you can tell from the photos. Here is his wikipedia, but it's in Portuguese.
marcello-picchi2.jpg - ImageTwist
marcello-picchi3.jpg - ImageTwist
marcello-picchi4.jpg - ImageTwist
marcello-picchi5.jpg - ImageTwist
marcello-picchi6.jpg - ImageTwist
marcello-picchi7.jpg - ImageTwist
marcello-picchi9.jpg - ImageTwist
marcello-picchi10.jpg - ImageTwist
marcello-picchi11.jpg - ImageTwist
marcello-picchi2.jpg - ImageTwist
marcello-picchi3.jpg - ImageTwist
marcello-picchi4.jpg - ImageTwist
marcello-picchi5.jpg - ImageTwist
marcello-picchi6.jpg - ImageTwist
marcello-picchi7.jpg - ImageTwist
marcello-picchi9.jpg - ImageTwist
marcello-picchi10.jpg - ImageTwist
marcello-picchi11.jpg - ImageTwist