"Hakuna Matata"

"Hakuna Matata" trivia questions

1. In the 1994 film, which two characters sing this song with Simba?
2. In the 1994 film, what kind of animal is Pumbaa?
3. In the 1994 film, what kind of animal is Timon?
4. What language is the phrase from?
5. In English, the phrase is most commonly translated as what?
6. According to the reference, what does hakuna literally mean?
7. Which 1994 Disney animated film made the phrase prominent in the West?
8. According to the reference, where is the song often heard besides the film?