tisO is a Super Smash Bros. Ultimate smasher, commentator, and tournament organizer from Santiago, Chile. He is mostly known for being the TO of some of the biggest Online Tournaments series in Latin America, like Thunder Series, Corona League, and many others.
tisO was the founder of Oficina del Tulio and was the director until he was signed by other crew called Start Up on October 1st, 2019, leaving his place to fellow smasher Fyrus. On February 6th, 2020, after Start Up's defunct, tisO was signed by Purple Mercenaries.