Excelsior

"Matthew, so few humans achieve their destiny before leaving this world. You have that chance." Created by high school senior Matthew Peters, Excelsior - savior of faraway planet Denab IV - is becoming an Internet sensation as the main character of a popular online comic strip. But before Matthew can enjoy his burgeoning success, a beautiful older woman arrives at his school and tells him that not only is she from the planet Denab IV, but that Excelsior's lifeforce lives within him. Now, with Excelsior's enemies gathering, Matthew realizes he is the key to Earth's survival and Denab IV's salvation...