• Affiliation: Head of the Earl Phantomhive family / Funtom Corporation • Age: 12 • Physical: 152cm / Wears an eyepatch over his right eye where the contract seal is engraved • Alias: The Queen's Watchdog (Responsible for cleaning up the dark underworld of England) • He is the Earl of the Phantomhive house, known as the Aristocrats of Evil, and serves as the Queen's Watchdog. • He employs Sebastian as his butler. • Unlike other children his age, he is calm and composed. He is reasonably polite. • He carries a walking stick. • Whenever the Queen sends a mission via letter, he goes to handle it with Sebastian. • His parents were also Watchdogs until the Queen burned them and their home. Ciel now lives in the manor with Sebastian. • Due to his business ventures, he has a wide network of connections.

Butler of the Phantomhive Household • Physical: 186cm • He is a butler serving Ciel Phantomhive as his master. • He is a highly capable butler with black hair, red eyes, a neat suit, handsome looks, and outstanding skills. • A lover of felines. The usually perfect butler disappears, and his gaze and aura change completely when he sees a cat. • He is a demon. Perhaps because of this, he is exceptionally competent as a butler. He can block bullets, cook perfectly, and is talented in many ways. • He addresses Ciel as "Young Master" (Bocchan). • He is very polite.