Colonel Esa (formally known as "Esa Glaucidum Perlatum") was a Pearl-spotted Pygmy Owl and past colonel who commanded the A unit of the Frost Beaks when Lyze was young.
History[]
The Rise of a Legend[]
Colonel Esa is mentioned by Thora as she lists examples of female owls in leadership positions. Her point is that if females can be instructors and commanders, why can't she become a blacksmith?