He used marijuana frequently and was once considered a great guitarist before Bear Hunter Ted Nugent arrived on the scene. He was born British, but he does do a mean rendition of The Star Spangled Banner.
It is widely rumored among homesexuals that Hendrix was a homosexual, due to a song he wrote called "Purple Haze", that contains the lyrics:
(Yeah the quote is actually Excuse me while I kiss the sky.)
This has not been proven, however.
Nor, has it been disproved.
He was a leading researcher in the use of crack for musical purposes.