He is the presumed CEO of a nuclear power plant company named "Death & Destruction" (D&D). He comes from the deleted rough draft of "Phaeton & Me" which was being created by Wakako Masuda and Ryuji Masuda, the creaters of Popee the Performer. The project was "indefinitely interrupted" after their divorce. Mr. Liar is the man making the phone call in this character's profile image.