Tammuz is an Illuminator.
Tammuz is a big man.
He was at the chapter house in Cairhien when Rand al'Thor and Loial broke in and prematurely set off all of the fireworks. Later, he tracked Aludra to the stable of The Good Queen in Aringill to kill her for making and selling fireworks. There, with the help of Matrim Cauthon and Thomdril Merrilin, Aludra overpowered him and four other men.