Kaisa, whose real name is Kaisa Zaremba, is a German rapper known for his distinct style and imposing presence in the Deutschrap scene. He burst onto the music landscape in the early 2000s, carving a niche for himself with gritty narratives, raw energy, and an unapologetic attitude that resonated with fans of hardcore rap. Born on January 18, 1981, in Berlin, Kaisa's musical journey began with a deep passion for hip-hop culture, eventually leading him to become one of the prominent voices in German underground rap.

Throughout his career, Kaisa has developed a discography characterized by dark and emotive storytelling, often exploring themes of urban life, personal struggles, and the hustle of the streets. His recent releases like "Phantom Madman," "Purple Hills," and "Dopeboy mit Metallic Flow" continue to showcase his evolution as an artist, blending aggressive lyricism with melodic hooks. "Der schwarze Hai" series, including "Der schwarze Hai 4," is a testament to his longevity in the game, engaging listeners with its fierce delivery and compelling beats. Despite the hardcore exterior, tracks like "Keine Wärme" also reveal a contemplative side, adding layers to Kaisa's persona and solidifying his place in the annals of German hip-hop.