Airi Gunvarrel, also known as Gunvarrel, is a fictional character within the universe of Robotics;Notes. Gunvarrel is the titular robot from the in-universe anime 'Gunvarrel,' which inspires many characters in the main story. Though not a real person, Gunvarrel symbolizes hope, dreams, and the pursuit of technological advancement for the main cast. The character's legacy and the mysterious fate of the Gunvarrel anime play significant roles in motivating the protagonists and driving the plot forward.