Doctor Z (ドクターZ Dokutā Zetto): Doctor Z is the Blatantly Evil Marketing Firm B's head. His true identity is Takehiro Tsuzuki, Hiroyo's father who was a brilliant scientist admired by his peers until he becomes obsessed with becoming an anime illustrator. After scouting for opportunities without success, Takehiro managed to land a job as a character designer for the Z-Cune Aoi anime series, but his rough and violent sketches (including those of ©Na) were rejected by the studio and he was fired.