Hendrix. Hendrix is the fosbury of music. Dude went off in his own direction in both technical and compositional terms, and a lot of people followed.
There's solid points in the comments, but I feel like we're talking about a single individual ignoring convention here, and there's really only one answer in that context :)
I guarantee you there'd be pictures of Joe sitting on em, playing with em, pretending to drink from them...
Military gives a lot of people a a fairly dark sense of humor :)