This week's Friday Brain-teaser from xrefer tests your knowledge of pseudonyms, nicknames or familiar names of famous people. Answers here.

1. What name was used by Sofia Scicolone when she became an Italian film actress?
2. English actress Julia Elizabeth Wells (born 1935) was known by what name by the time she starred in "The Sound of Music"?
3. What stage name was used by comedian Leslie Townes Hope (born 1903)?
4. What pseudonym was used by American rock 'n' roll singer Richard Wayne Penniman?
5. What name was adopted by Russian songwriter Israel Baline when he wrote his first song in the USA?
6. The American rock musician Don Van Vliet (born 1941) is best known by what pseudonym?
7. As a singer and film star, Frances Ethel Gumm (1922-1969) used what pseudonym?
8. What stage name is used by the American rock star Vincent Furnier (born 1945)?
9. What pseudonym was used by the American blues pianist and singer Henry Roeland Byrd (1918-1980)?
10. The 15th-century Italian painter Giovanni da Fiesole is best known by what name?