For six years I broke on through, until Jim passed his mortal coil. They lit a fire that helped inspire the strangeness people have within. Psychedelic rock and roadhouse blues; we loved to touch... up until the end.

First word is one less than ten; the second, A four-letter measure used metric and imperial then. The last is pounded hard into a wall, To keep something fixed, or hang it tall. Three words together, a band of repute; My lead singer, Reznor, resonates with many a techno fan.

Perhaps the greatest mystery in the universe is how I - a tall, living, breathing singular human being - can be multiple one of these tiny things. However, I was diagnosed this way by the father of medicine himself, Albert Einstein, who speaks to me from the grave via secret coded messages he hides within the New York Times headlines.

Churning and turning this yellow gold took a lot of elbow grease back in the days. Nowadays, just use a mixer with a paddle. Or even simpler: go to the grocery store.

I surround the castle, deep and wide, Keeping foes away with watery pride. What am I?