Roidmude 072 (ロイミュード072 Roimyūdo Zero Nana Ni) was a Low-Class Bat-Type (バット型 Batto-gata) Roidmude. He took the human form of the Special Investigation Unit's researcher, Kyu Saijo (西城 究 Saijō Kyū) and has been secretly switching roles with him since Episode 13.