In John's houseEdit
John's house is decorated with various figures and paintings of harlequins. , assuming they are related to his Dad's interest in being funny. He later discovers, however, that were actually . The result of by Gamzee Makara, Rose speculates that .
Because of his Dad's assumption that he enjoys harlequins, John receives a harlequin doll for his 13th birthday, which is later prototyped, thus lending its image to every single one of the underlings and carapacian outfits in the incipisphere, including Jack Noir. Jack also seemingly hates harlequins, and the Black Queen's insistence that he wear harlequin attire .