Family name ไอ้ตัว (Bastard 
, ไอ้ตัว) , in all the world, is quite a rare cognomen. The last name ไอ้ตัว is characteristic of France, where it is quite a rare surname, Czechia, where it is a rare surname, and Indonesia. Not in comparison with a country's population, it most frequently occurs in France, Indonesia, and Mexico. Much less frequently, ไอ้ตัว is the forename as well as the last name.