Renato Zero Renato Zero participated in the Sanremo Music Festival with the song "Spalle al muro", and from that moment on his career began to rise again. In 1993 he ranked #1 on the Italian charts with the LP "Quando non sei più nessuno". The following year "L'imperfetto" repeated this success. His concerts would regularly sell out, and he returned to his famous dress changes, although in a more balanced style. In the mid-1990s Zero dubbed the character of Jack Skellington and sang the songs in the Italian release of Tim Burton's motion picture "The Nightmare Before Christmas". In 1999, he sang
Black Jack (manga character) remake of Astro Boy created by Naoki Urasawa with approval from Osamu Tezuka before his death. In 2010, a short was released showing Black Jack teaming up with Dr. House to promote the DVD release of the show's fourth season. In it, Black Jack was hired to replace Kutner. House immediately takes a dislike to him, and vice versa, but Black Jack quits on amicable terms with House after they cooperate on a difficult surgery. Black Jack appears alongside fellow Tezuka character Atom as a playable character in the upcoming crossover puzzle game "Crystal Crisis". Black Jack is one of