High Sparrow

 The High Sparrow is a character set to appear in the fifth season. The character was announced on May 23, 2014.

In the books
In the A Song of Ice and Fire novels, the High Sparrow is a prominent member of the "sparrows", a religious movement formed during the War of the Five Kings in the wake of brutalities committed against septs as well as men and women sworn to the Faith of the Seven.