Wilson poloson Ko Choon Wei is a Singaporean player born on April 28, 1996. 

Poloson made his debut in the professional scene in 2012 as a part of the First Departure team. In this roster, he reached the finals of Armaggeddon Dota 2 Grand Slam Asia 2013 and secured victory at RGN League 2013/2014. In 2014, with Scythe Gaming, poloson won the Asian Cyber Games Invitational: Best of the Best and BountyHunter Asia Showdown, as well as finishing second at The Inaugural.

In 2016, poloson, alongside White Fries Gaming, qualified through open qualifiers for The International 2016, but the closed qualifiers proved to be challenging for Wilson. The journey continued with Moogle in the qualifiers for The International 2017, but success remained elusive. In 2018, poloson achieved victory at the World Electronic Sports Games 2018 Singapore Finals as a part of Resurgence. In 2019, Wilson secured several first-place finishes, including the Asia Pacific Predator League 2019 Singapore Qualifier with Chinster, the Asia Pacific Predator League 2020 Singapore Finals with Reality Rift, and the Hashtag Indy Tournament Season 2 with Alpha x Hashtag.

• September 22, 2024 - poloson joined Invictus Gaming.

Together with the team the guy successfully qualified for BetBoom Dacha Belgrade 2024, and also played at PGL Wallachia Season 2, where he took 10th place.

• October 8, 2024 - poloson moved under the banner of Yakult‘s brothers.

Under the new tag he competed at BetBoom Dacha Belgrade 2024, where he placed 5th.

On November 12, 2024 Xtreme Gaming officially announced a new roster, which in addition to poloson included lou, Xm, niu, Pyw. The team performed at BLAST Slam I, where they took 3-4th place. In February 2025, XG entered FISSURE PLAYGROUND and BLAST SLAM II, but had disappointing results at both tournaments, finishing in 10th place. At DreamLeague Season 25, the team finished only 13th.

• In March 2025, poloson left Xtreme Gaming.
• At the end of April 2025, the player rejoined Xtreme Gaming, taking on the role of position five support.

In early May of the same year, the team defeated Yakult's Brothers in the grand final of ACL X ESL Challenger China and became the tournament champion. For the victory, the team earned $50,000 and secured spots in two upcoming tournaments — DreamLeague Season 26 and Asian Champions League 2025.

In May, Xtreme Gaming participated in BLAST SLAM III, where they lost in the second round of the playoffs and exited the tournament, finishing in 7th–8th place.

On May 16, 2025, Xtreme Gaming became the champion of the Asian Champions League 2025, earning $100,000 and a slot at Riyadh Masters 2025. However, at DreamLeague Season 26, the team only managed to finish in 11th place.

On June 12, 2025, Xtreme Gaming qualified for The International 2025 by winning the closed qualifier in the Chinese region. On June 28, 2025, Xtreme Gaming was eliminated from PGL Wallachia Season 5 after losing to Team Spirit in the second round of the lower bracket playoffs. In July 2025, Xtreme Gaming exited Riyadh Masters 2025, finishing in 12th place and earning $75,000 in prize money.

• July 20, 2025 — xNova replaced poloson ahead of the upcoming Clavision Masters 2025. It was later revealed that poloson will continue treatment for his injury and miss The International 2025.

On September 20, he became part of Yakutou Brothers.

In October, Yakult Brothers took part in FISSURE PLAYGROUND 2, where they failed to reach the playoffs and were eliminated during the group stage.

On October 6, it was announced that Poloson had left Yakult Brothers.

In early January 2026, he teamed up with other Chinese players to form a new roster called Game Master in order to compete in qualifiers for major tournaments.