Min Kyawzwa is one of the 37 nats

Nat (spirit)

The nats are spirits worshipped in Burma in conjunction with Buddhism. They are divided between the 37 Great Nats and all the rest . Almost all of the 37 Great Nats were human beings who met violent deaths . They may thus also be called nat sein...

 in the official pantheon of Burmese nats. He is a composite representation of multiple historical personalities. One version puts him as a son of King Theinhko

Theinhko

Theinhko was a king of Pagan dynasty of Burma who reigned for 16 years. Although Burmese chronicles state that he reigned from 915 to 931, the actual reign, deduced from King Anawrahta's year of ascension, 1044, was likely between 943 and 959...

 of Pagan; he was murdered by his brother. Another version puts him as an adviser to King Alaungsithu

Alaungsithu

Alaungsithu or Sithu I was king of Pagan Dynasty of Burma from 1113 to 1167. Sithu's reign was a prosperous one in which Pagan was an integral part of in-land and maritime trading networks...

 of Pagan; he died an alcoholic. Another puts him as Crown Prince Minyekyawswa

Minyekyawswa

Minyekyawswa was crown prince of Ava from 1407 to 1417, and commander-in-chief of Ava's military from 1410 to 1417. He is best remembered in Burmese history as the courageous general who waged the most fierce battles of Forty Years' War against King Razadarit of Hanthawaddy Pegu.The prince, who...

 of Ava

Ava Kingdom

The Ava Kingdom was the dominant kingdom that ruled upper Burma from 1364 to 1555. Founded in 1364, the kingdom was the successor state to the petty kingdoms that had ruled central Burma since the collapse of Pagan Empire in the late 13th century...

, who fell in action in the Forty Years' War

Forty Years' War

The Forty Years' War was a military conflict fought between the Burmese-speaking Kingdom of Ava and the Mon-speaking Kingdom of Hanthawaddy Pegu. The war was fought during two separate periods: 1385 to 1391 and 1404 to 1424, interrupted by two truces of 1391–1404 and 1406–1407...

. Yet another version puts him as a son of the Lord of Pyay

Pyay

Pyay is a town in the Bago Division in Burma. It has an estimated population of 123,800 . Pyay is positioned on the Ayeyarwady River and is northwest of Yangon....

and Kuni Devi. He reportedly was a "drunkard and cock fighter and also a good rider", killed by his victims turned devils.