"Sweet Child o' Mine" is a song by American rock band Guns N' Roses, appearing on their debut album, Appetite for Destruction. Released in August 1988 as the album's third single, the song topped the Billboard Hot 100 chart, becoming the band's only number 1 US single. Billboard ranked it the number 5 song of 1988. Re-released in 1989, it reached number 6 on the UK Singles Chart. Guitarist Slash said in 1990, "(The song) turned into a huge hit and now it makes me sick. I mean, I like it, but I hate what it represents."

Based on this passage, who is the original singer of sweet child of mine? Let's think fast. Stream of consciousness:
The relevant sentence in the passage is: "Sweet Child o' Mine" is a song by American rock band Guns N' Roses, appearing on their debut album, Appetite for Destruction. So the final answer is Guns N ' Roses.