Cynric is, as of Dead Ice, the only pure-blooded blue weretiger, Anita has met. Blue tigers are so rare that Marmee Noir, herself a master of cats and capable of sensing energies the world round, believes them to be extinct until learning about Cynric. He prefers to be called by the diminutive "Cyn" (pronounced 'sin', leading to the conclusion that the author intends the name Cynric to be pronounced with a soft 'C'), and later changes the spelling to "Sin" because otherwise no one can spell or pronounce it right.