Xinliezhuo Beifong

Earth King Xīnlièzhuó Beifong (9 Sìyuè 116–141), also known as Xinli or Siniestro, son of Toph Beifong, was the 57th Earth King, reigning from 134–138 AG as co-monarch with his twin sister Earth Queen Destra. He and Destra acceded to the throne after intimidating the United Empire of Nations into granting the Earth Kingdom independence under the Beifong twins' rule at the age of 18. He was well-known for annexing the United Republic in the Chunying War and crushing the Fifth Nation in the Dragonhawk War.