Ritter Lean and DUEJA

Adrian Julius Tillmann, known professionally as Ritter Lean, is a German actor and musician born in Berlin in 1997. Originally establishing himself as an actor, most notably playing Jasper in the Netflix series Biohackers, he launched his musical career in 2023 with his debut single Einsame Insel. Known for his distinctive blend of indie-rap, pop, and raw storytelling detailing Berlin's nightlife, he frequently collaborates with rapper Ski Aggu and released his debut full-length album, Stell dir vor, in 2025.