Karl Killing is an Estonian artist, songwriter, and producer known for his versatility in R&B, pop, and hip-hop. His solo career began in 2020 with High Heels under found/red, later signing with Warner Music.
In 2025, Karl won Producer of the Year at the Estonian Music Industry Awards and Debut Album of the Year for 37 at the Estonian Music Awards. He has collaborated with international artists like Peder Elias, LOST BOY, Isac Elliot, and Victor Crone, continuing to make an impact as both an artist and producer.