Best-known bearer is Appa, the six-legged flying bison from 《
降世神通:
最后的气宗》 (Avatar: The Last Airbender) and Aang's animal companion.
阿 (ā) is a common opener in Chinese transliterations,
帕 (pà) is the standard character for the '-pa' sound (also seen in
帕米尔 'Pamir').