Heero Yuy Kalsion was a Human male born on Coruscant, where he would come to be known for his involvement in the criminal underworld, murdering countless people in rage, and later from his affiliations with numerous criminal organizations. He was also known for his abnormal abilities, such as a spell attack known as the 'Chidori'. He later moved to Tatooine, and became the adoptive father of Nero Nishi, and later had a biological son, David Kalsion. He and Nero would die together 2 ABY.