Tisroc

In C. S. Lewis's Chronicles of Narnia, a Tisroc is a ruler of Calormen. His position is most like that of a Pharaoh, in that he is an absolute monarch, and is believed to be descended from the Calormen god Tash. Whenever a Calormen citizen speaks of the Tisroc, he adds "may he live for ever," and it is considered blasphemy not to say this. For example, in The Horse and His Boy, Aravis says, "Now this Ahoshta is of base birth, though in these later years he has won the favor of the Tisroc (may he live for ever) by flattery and evil counsels..." Enemies of the Tisroc take pleasure in not saying this, however, especially while in his domain. As the talking horse Bree put it: "Why should I say 'may he live for ever'? I don't want him to live forever, and I know he won't whether I say it or not."

Lewis made up a name for the ruler and nobility of Calormen while still referring to the Tisroc's son Rabadash as a prince. Since elsewhere the sons of Tisrocs are styled Tarkaan (lord), the title "Prince" would appear to be reserved for the heir apparent. A female counterpart for the Tisroc is never mentioned. It is implied that the Tisroc has many wives.