Speaker Andrew

"They had no idea how deeply the question of Ender's ancient guilt burned within him, and how he had answered it in a thousand different unsatisfactory ways. They knew their teacher only as Speaker for the Dead; they did not know that when he was a mere infant, his older sister, Valentine, could not pronounce the name Andrew, and so called him Ender, the name that he made infamous before he was fifteen years old."
-Speaker for the Dead