Kiattisak Udomnak (Thai: เกียรติศักดิ์ อุดมนาค) is a Thai actor, singer, and comedian.

[1] He is best known in Thailand by his stage name Sena Hoi (Thai: เสนาหอย).

He was born on September 22, 1969, in Bangkok Thailand nicknamed Boy.

He has one older sister.