A rabbit that has horns. He should be a Unidentified Mysterious Animal from the Wyoming state of America, but for some reason he is guarding the prison along with Es. Aside from being a guide in MILGRAM, he also instructs Es on how to perform their guard duties. He speaks human language, and has a facetious personality. However, only Es seems to be able to hear his voice. His birthday is unknown, and He's 3 years old.