Arthur Marcus

Arthur Marcus is Shelby's alleged cousin who is secretly an android Skylarks made to carry on her legacy. He made Cyd romantically attracted to him in order to find the root of the real love between Cyd and Naldo so he could erase Naldo from Cyd's mind, as well as the other team members' relationships with the other shapeshifters, as Calderans are severely weakened by shape-shifters' very existence, thus Calderans would be a whole lot better off is nobody remembered shape-shifters ever existed.