The Four Heavenly Kings have been represented from early Buddhist art in India until today in East Asia. There are two types of distinctive iconography of the deities: a king-like appearance in India and Southeast Asia and a warrior-like appearance in Central Asia and East Asia.
Vaisravana (he who hears everything) NORTH (毘沙門天, Bishamonten) Upper Left
Virūḍhaka[en] (he who causes the growth) SOUTH (増長天, Zōjōten) Lower Right
Dhritarāshtra (he who upholds the realm) EAST (持国天, Jikokuten) Upper Right
Virūpākṣa[en] (he who sees all) WEST (広目天, Kōmokuten) Lower Left