Characters in Clockwork Princess

Tessa Gray

A shape-changing warlock facing the truth about her own nature.

Also in Clockwork Angel, Clockwork Prince, Ghosts of the Shadow Market, Tales from the Shadowhunter Academy

Axel Mortmain

The Magister, an industrialist bent on destroying the Shadowhunter race with clockwork automatons.

Also in Clockwork Prince

Will Herondale

A tormented Shadowhunter whose feelings for Tessa come to a head.

Also in Clockwork Angel, Clockwork Prince

Jem Carstairs

Will's gravely ill parabatai, engaged to Tessa.

Also in Clockwork Angel, Clockwork Prince, Ghosts of the Shadow Market

Magnus Bane

Also in City of Bones, Clockwork Angel, City of Ashes, Clockwork Prince, City of Glass, City of Fallen Angels, City of Lost Souls, City of Heavenly Fire, Shadowhunters and Downworlders, The Bane Chronicles

William Herondale

Also in Clockwork Angel, Clockwork Prince

James "Jem" Carstairs

Also in Clockwork Angel, Clockwork Prince

Henry Branwell

Also in Clockwork Angel, Clockwork Prince

Charlotte Branwell

Also in Clockwork Angel, Clockwork Prince

Gideon Lightwood

Also in Clockwork Prince

Gabriel Lightwood

Also in Clockwork Prince

Sophie Collins

Also in Clockwork Angel, Clockwork Prince

Cecily Herondale

Theresa "Tessa" Gray

Also in Clockwork Angel, Clockwork Prince, City of Heavenly Fire