Cognomen 子哥 (子哥 
, Zige 
) , throughout the world, is a rare family name. The surname 子哥 is characteristic of Israel, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and India. Measured by absolute frequency, this name is the most popular in India, China, and Nigeria. Much more prevalently, 子哥 is the forename as well as the last name.