I read that Bruno Mars was born Peter Gene Hernandez
What else can you tell me about Bruno Mars?
He is an American singer and songwriter who also is a multi-instrumentalist
What are some of his most popular songs?
Lets see..I read that he had a debut studio album "Doo-Wops & Hooligans" 
Were they well received? Did they win any awards?
won a Grammy Award for Best Male Pop Vocal Performance. In 2011, Mars recorded the single "It Will Rain" for the film "" (2011).
Mars' second album, "Unorthodox Jukebox" (2012), peaked at number one in the US, Australia, Canada, Switzerland, and the UK, winning a Grammy Award for Best Pop Vocal Album. Its singles "Locked Out of Heaven" and "When I Was Your Man", reached number one on the US "Billboard"
Count On Me (Bruno Mars song)
"Count on Me" is a song by American singer-songwriter Bruno Mars from his debut studio album, "Doo-Wops & Hooligans" (2010). The song was first unveiled on Mars' debut extended play, "It's Better If You Don't Understand" (2010). The song was released as a radio single in Australia and served as the overall sixth single from "Doo-Wops & Hooligans", being serviced to contemporary hit radio and