Kevin is the lead singer in a three-piece cover band called "Triple X"
You can call me X, the emigre artist you met in a kosher restaurant.
All the cell leaders are called X so as to confuse the enemy.
"Our leader is a man called X, that is all you have to know."
But this man called X, is he not glamorous?
After a moment, Warnow asked: "Have you ever heard of a man called 'X'?"
The lonely newcomer called X is simply looking for a home.
This is a song from the 10th Blue System album called X - Ten .
Could the human eye have arisen directly from something slightly different from itself, something that we may call X?