According to the fictional Macross continuity Max Jenius was born in Europe. He is a young fighter pilot, having joined Hikaru Ichijyo's Vermillion Team, along with Hayao Kakizaki, at the age of only 16. Jenius shows in his first sortie that he is a preternaturally talented ace pilot who is near invincible in combat, despite his need to wear corrective lenses on duty. Max is quickly recognized as the top pilot of the force, as marked by being granted to distinctively repaint his mecha into his preferred blue color.
Jenius' skill at piloting mecha becomes even more celebrated with feats that no other pilot would have thought of, much less achieved. One outstanding incident involves his infiltrating a Zentradi battleship in his valkyrie and disguising it with a Zentradi uniform, allowing him to escape detection.
Jenius is not above an occasional egotistical musing when he is off duty, but he also respects his comrades and they return the favor. He is also an incurable romantic in his youth which shows when he meets his future wife. That occurred when the top Zentradi ace pilot, Milia Fallyna, hears about a formidable pilot aboard the humans' SDF-1 Macross space fortress and seeks to challenge him personally in battle. Max manages to defeat Milia not once, but thrice. The first in their respective mechas, the second in simulated combat (a video game) and finally in a knife fight to the death. It is this final fight where the two rivals fall in love. Immediately after the knife-fight in the park Max proposes to Milia who accepts. Afterward, Milia is allowed to join the mainline fighting forces of the SDF-1 Macross and becomes Max's wingmate on duty, piloting a distinctive red Valkyrie alongside Max's blue one.
After the Zentradi Fleet that nearly destroys the Earth is vanquished, Max and Milia settle down in the new city built around the SDF-1 Macross and begin a new life together. In March 2011, they give birth to a daughter (the first of seven) named Komilia Maria Fallyna Jenius. The name Komilia (which means "Little Milia") is chosen because with her green hair and green eyes, she looks so much like her mother (although it has also been suggested that the "ko" simply refers to the Japanese kanji character "child" that is often used on the end of Japanese female personal names - a suggestion which is supported by the title of episode 30: Viva Maria, as opposed to Viva Komilia). Komilia proves how related the Humans and Zentradi are. The "first stellar interracial child" is very unabashed baby, and proves resilient to Milia's sometimes rough and inexperienced handling. Max, despite his relatively young age, proves to be a happy and successful father, although he clearly has a strong dislike of Komilia's playfulness with his hair. Misa Hayase and Claudia LaSalle find Komilia adorable and are amazed that she isn't shy at all, and envy Max and Milia for having such a beautiful child.
Max and his family play a crucial role in the U.N.' capture of a factory satellite in November 2011. After blasting their way into the enemy command ship, Max and Milia proudly display their child, cradled in Milia's arms and wearing a tiny pink and white spacesuit, to the hostile Zentradi. Max smiles as Milia explains that Komilia "was created by the two of us...". The hostile Zentradi, who have had no exposure to human culture and have never seen a baby before, become terrified of Komilia and flee in fear, causing chaos aboard the command ship and disorder throughout the enemy fleet. This allows the earth forces and the allied Zentradi to seize the factory.
In the original Macross series, Max and Milia have seven natural daughters and adopt a Zentradi girl over a period of twenty years from 2011 to 2031. The oldest is Komilia Maria Fallyna Jenius, who is the only one seen in the original series. The youngest is Mylene Flare Jenius, who becomes a major character in Macross 7. Emilia Jenius is seen briefly in Macross 7 the Movie: The Galaxy's Calling Me!.
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