Isabelle

"Then we come to Isabelle, my greatest achievement. Many TITANs call her, Alpha TITAN. The one whose successful augmentation allowed them to become what they are now."

- Wilhelm Schultz

Isabelle, later known as the Alpha TITAN, is a former Eclipse Army Special Forces and the first ever TITAN, having been selected by Dr. Wilhelm Schultz during the Project's conception phase before its official launch. She was given the 14th strain that proved successful, making her humanity's first ever super-soldier.

Later in 2046, she was chosen for the TITAN-X Program where her physical and mental strength were further enhanced and issued with an experimental battle armour which linked to a neural network.