Oliver Mazurtšak (born 26 August 1993), known professionally as OLLIE (stylised in all caps), is an Estonian singer, songwriter, guitarist, and record producer. His father is Jüri Mazurtšak, the drummer from the Estonian bands 2 Quick Start and Night Star, who participated in the Eurovision Song Contests of 1998 and 2002 together with the Estonian act on stage.
On 2 November 2022, it was announced that he would participate in Eesti Laul 2023 with the song "Venom". He participated in the first semi-final, and qualified for the final. In the final, he qualified for the superfinal and eventually came in second place after Alika.
On 6 November 2023, he was announced as one of the semi-finalists of Eesti Laul 2024, with the song "My Friend". He qualified for the final during the first round of the semi-final. In the final, he qualified for the superfinal and eventually came in second place after 5miinust and Puuluup.
On 14 February 2026, he participated in Eesti Laul 2026 with his song Slave. He got third place after Vanilla Ninja and Noëp, with 15,148 votes in the superfinal.
Discography Singles 2015 – Bonfire (featuring Uku Suviste) 2016 – Like This (featuring Mariliis Jõgeva) 2020 – Paradise feat. Mariliis Jõgeva 2021 – Let It Burn 2022 – Someone Else 2022 – Fake 2022 – Venom 2023 – Get High 2023 – My Friend 2024 – Heartless 2025 – Dwyh 2025 – Laid in L.A 2025 – Guardian Angel 2025 – That's What U Get
Charted singles Title YearPeak chart positions Album Peak chart positions for singles in Estonian Airplay: "That's What U Get": "Slave": "Bad Song": "Drown": "That's What U Get" 2025 85 rowspan="4" "Slave" 77 "Bad Song" 2026 60 "Drown" 89 References