Oleg yowaai Mikhailov is a Ukrainian professional player, occupies the role of carry.

In November 2023 in the Edit pack Oleg took part in the qualification for ESL One Kuala Lumpur, but was unsuccessful. After that he moved to Team Hryvnia, with which he tried to qualify for DreamLeague Season 23, Elite League Season 2 and The International 2024, but failed again. In the summer of 2024, yowaai and Team Hryvnia participated in European Pro League Season 19: Division 2 and CCT Dota 2 Series 1, where he placed 3rd and 9th respectively.

In August 2024 yowaai joined Passion.ua, but did not achieve much results and was replaced by Crystallize in December. In January 2025, Oleg joined the stack LFG Esports, which was later renamed Apple City Gang. The updated roster made its debut in the open qualifiers for FISSURE Universe Ep.4, but failed to reach the closed stage. Later, the team competed in European Pro League 24 and CCT Dota 2 Series 7, placing 5th and 3rd respectively.

On June 5, 2025, became part of the TEAM NEXT LEVEL organization. In August, the team became the champion of European Pro League 29. But soon after, Oleg joined Inner Circle. His best result was a fourth-place finish at CCT Season 2 Series 5. In 2026, yowaai began the year as a member of Rune Eaters, with whom he attempted to qualify for major championships and competed in several tournaments in the EPL series.