One of the voices of Kirisame Marisa in Atouda Ako's Kuso☆☆☆☆, by far the most popular one. Didn't really understand the Cookie community before agreeing to be in the voice drama. Has stayed relatively silent since then, largely disappearing by 2016.
Her design is based on Azusa's, with a red hat bow, a red bowtie, blue eyes with white pupils, very distinct blush stickers and are sometimes mistaken for extra mouths, black elbow gloves, a black capelet, a black vest, and a brown waist apron. She initially wasn't a very popular character, but her natural pairing with Yuuhi expanded both of their popularities.
Starting in 2017, MADs of her started to get created by various people on NicoNico, but the big breakthrough happened with a remix of Logic Airforce by Hirasawa Susumu of P-Model. Another remix of LAB=01 became even more popular and an UTAU called MGRoid was created which sounded surprisingly good. Since then, MGR became Cookie's representative in the vocal synth community with extremely high popularity in the Chinese Cookie community on BiliBili. She was dubbed "Hirasawa's Daughter" and has been remixed singing all of his most famous songs. Besides MGRoid, a few other running jokes appear: