Sergei Barracuda, also known as Sergei Beezy, is a rapper and producer from Ostrava, Czech Republic. He is a former member of Azurit Kingdom. His career started in Ostrava group Fuerza Arma and after few years he joined the Azurit Kingdom label. Sergei has released an album trilogy called Pouliční Ekonomická 1, 2, 3 (2.5 is not in the trilogy) and 713 mixtape. During his time in AK he had released a few more project besides Pouliční Ekonomická 2.5, 3 and 713 called Bída & Bolest (Poverty & Pain), AK Mixtape and Medusa. After sharp disagreements with his colleague and Azurit Kingdom founder Pastor in 2020, Sergei left the label to pursue his solo career.

He is working with notable names from Czech and Slovak rap such as Smack, Pil C and Ektor. Among his most significant collaborations is a collaboration with the trap producer Zaytoven on “Trap House” and rapper Waka Flocka Flame on “Hustle”.