Rapper Coolio was found dead yesterday on the bathroom floor of a friend’s house in L.A.  He was 59.

The cause of death is unknown.  Coolio’s manager said the paramedics think it was a heart attack.  And law enforcement said they didn’t find any drugs or drug paraphernalia.

Coolio was known for the song, “Gangsta’s Paradise“.  It won a Grammy in 1995 for Best Rap Solo Performance.

His other hits include the theme song for Nickelodeon’s “Kenan & Kel” called “Aw ,Here It Goes”, “Fantastic Voyage”, and “1,2,3,4 (Sumpin’ New)”.

Here are some tributes from Ice Cube, Weird Al Yankovic, Martin Lawrence and more.