Army-san is a supporting character from the anime and manga series 'Magical Marine Pixel Maritan.' She is portrayed as a strict and disciplined figure with a military demeanor, often contrasting with the more whimsical and mischievous Maritan. Army-san regularly assists in teaching English phrases, usually through comical and exaggerated military drills. Her role in the series is to provide structure and order, serving as both a rival and mentor to Maritan, adding humor and balance to the story's unique language-learning approach.