Casey "Onisan" Dillon is an American fighting game player. He competes in Injustice 2, Mortal Kombat 11, Street Fighter V, Tekken 7, and Ultimate Street Fighter IV.
Onisan plays Sub-Zero, Geras, and Shang Tsung in MK 11. His feats in this discipline include winning 3rd place at Kumite in Texas 2019 and 7th at DreamHack Dallas 2019.
At Kumite in Tennessee 2020, Onisan placed 25th in MK 11 singles with a 60% set win rate after being defeated by Grr and Matr!x.
Check out his Twitch channel here.