Excelsior

Put down the pen. Pick up the sword. Unleash the hero within.
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 old enemies regaining strength, Matthew realizes he is the key to Earth's survival and Denab IV's salvation...