William “mezii” Merriman is a professional Counter-Strike player from United Kingdom. Born on Oct 15, 1998, he currently represents Vitality as the team’s rifler.
Active since 2016, mezii has competed in the professional Counter-Strike scene. During his career, he has earned around $1,465,108 in prize money through tournament competition.
At fnatic, mezii spent 2022 and 2023 as the in-game leader before returning to a rifle role after joining Vitality. Vitality signed him in late 2023 after Magisk left the roster. In apEX’s lineup, he became an anchor and support rifler, playing roles built around site holds, retakes, utility usage, and late-round discipline. HLTV named him Anchor of the Year for 2025, and his Major wins with Vitality made him one of the most successful British players in Counter-Strike.
