So the doctor asked his name, he replied, "From the halls of montezuma..."
The doctor decided to remove part of his brain, thinking that would cure it. When the doctor did this, the Marine still said "From the halls of montezuma..."
The doctor figured he did not remove enough of the brain. So after removing some more, the marine still only said those words.
The doctor, now getting frustrated, decided to take the rest of the brain out. Now the Marine, with no brain, stood up and started singing, "Be all that you can be..."

