Khatun, Sky Terror, is a Unique Armored Destroyer found in the Gardens of Hope Level 1 in Act IV of Diablo III.
In combat, it has Molten, Mortar and Teleporter affixes. When found, he will not drop from the sky, but rather wait on the ground, usually immediately to the north of the entrance.
Trivia[]
"Khatun" is a female equivalent of the "Khan" title.
There is also a World of Warcraft Old God named C'Thun (pronounced "Ka-Thune").