Christopher, a Shadow master in the Shadows House, led the Star Bearers in the Children's Building as their respected head. His silhouette mirrored his Living Doll Anthony, displaying short ruffled hair, a white pleated dress-shirt, patterned brown pants with suspenders, and long white boots. Christopher wielded a soot power to temporarily instill trust in others, and he earned renown for his kindness, care, and unwavering dedication to the House's collective happiness. His close bonds included Anthony and fellow Shadows like Maryrose and Barbara. Upon learning the unification truth—where Shadows merge with Living Dolls, killing the human—from Maryrose (who retained morph-state memories), Christopher chose suicide to spare Anthony. His death reshaped the Children's Building, hardening Barbara into a colder leader and driving Maryrose toward solitary rebellion.

Anthony, Christopher's Living Doll, possessed a slender frame, dark-brown curly hair, brown eyes, and a handsome face, clad in the Veiled Doll uniform: a black floor-length dress and gray hooded cloak. Outwardly intelligent, kind, and fiercely loyal to Christopher, he shared his master's esteem among House residents, though his true motives stayed shrouded and intricate. After Christopher's suicide, Anthony faked his exit but lingered secretly within the House. Adopting the alias "Master Robe," he operated covertly to destabilize both factions, cultivating disciples like Lewis for his undisclosed ends. Anthony maintained ties to Maryrose, respecting her defiance but condemning her suicide as wasteful, and saw promise in Kate—Christopher's half-sister—valuing her cleverness, soot capacity, and resourcefulness for his schemes. His manipulations employed "Fragments of Favor" tied to unification, though his methods for obtaining and deploying them remained undefined.

Christopher and Anthony's relationship anchored their fates. Christopher's profound devotion spurred his suicide to shield Anthony from unification. Conversely, Anthony's post-death actions unveiled depths beyond his loyal facade. Exploiting House secrets gleaned through Christopher and Maryrose, he engineered covert strikes against its power hierarchy. Anthony's hidden persistence and sway signaled a sustained campaign to fracture the Shadows House's foundations, cementing his role as a pivotal, cryptic agent in its strife.