Sergey TSA Timchenko was a Russian professional Dota 2 player who played as a sapport player. He passed away in February 2024 at the age of 26.

At the beginning of his career, he played in local tournaments such as Moscow Cup 2018 and Russian eSports Cup 2018 as a kerry. In the same year, he participated in qualifications for major world-level competitions in Evil Corporation and Yolo Knight stacks already on the "four".

He became a truly recognizable TSA player in early 2021, when he moved to B8 - the organization of the famous Ukrainian player Danil Dendi Ishutin. Sergiy became one of Dendi's most constant partners - he played both during the lineup with the Brazilian players and after their departure. TSA participated in the media life of the team - he appeared in the vlogs of the organization, as well as in Dendi's personal videos.