Red

Red is one of the main characters of SaGa Frontier. He undergoes a transformation to battle enemies as the superhero Alkaiser.

Bio
"Endowed with superhuman ablilities, Red lives among other Humans as an apprentice engineer on the regional ship Cygnus. Years ago, the evil syndicate BlackX killed his father and abducted his mother and sister. Left for dead, Red was saved by Alkarl, who came from the holy land of heroes, and granted him amazing powers. Red is on a continuing search for Black X and its followers."

Trivia

 * Red's Alkaizer form is an obvious shout out to the Kamen Rider series, even down to the finishing moves (IE Shining Kick).
 * Red isn't recruitable in the other characters' quests.
 * Alkaizer is mentioned by a girl in Tanzer when on the Rune Quest.