Found the following article online, use it to answer the question: What is the title of the man who has Tomasso finish a bust?  As described in a film magazine, Tommasso Longo, a poor artist making his living modeling plaster casts, proudly boasts that he is a cousin of Caroli (also Caruso), the great tenor, whom he greatly resembles. Tommasso is in love with Rosa Ventura, a cashier in her father's restaurant, and although she flirts with Roberto Lombardi, she loves Tommasso. They go to the opera together, and Roberto becomes jealous and ridicules Tommasso's claim of a relationship to the tenor. Caroli comes to the restaurant where Tommasso and Rosa are dining after the show. As Caroli leaves he fails to recognize a relative in Tommasso. Rosa becomes indigent at Tommasso and refuses listen any further to his vows of devotion. Determined to square himself in the eyes of his sweetheart, he goes to the apartment of the great tenor but is politely sent home. Ludovico, an errand boy in Tommasso's studio, goes to Caroli and reveals the truth to him. Caroli pays his cousin a visit at his studio and directs him to finish a bust of him. With the blessing of Caroli upon them, the love of Rosa is once more won.
The answer to this question is:
the tenor