'hallowed grandfather') traditionally refers to the name of a guardian deity (called nat) unique to each Burmese Buddhist temple or pagoda.
Bo Bo Gyi is typically depicted as a nearly life-sized elderly man, dressed in a curved cap and sometimes carrying a cane, to signify old age.
[2][3] According to a legend of Shwedagon Pagoda, the Gautama Buddha's hair relics were given to two Mon merchants who later gave them to the King of Yangon, wanting the relics to be properly enshrined in a pagoda.
[4] Hence, he is popularly depicted as a figure pointing his finger as a reference to this legend.
Many believe that praying to, wishing to, and having their forehead touched by the deity's pointing finger of the thep than chai, especially at Botataung Pagoda in Yangon, will bring them luck.