Karol Poziemski (born October 29, 1989), better known as Solar, Słoneczny Solar, and Bogaty Ziomek Tomba is a Polish rapper, freestyler. He is a two-time finalist of Wielka Bitwa Warszawska (freestyle battle; 2008, 2009), and the initiator of the Hot16Challenge and Hot16Challenge2 actions. Karol Poziemski is mostly known for his duet performances with Mateusz "Białas" Karas. He also conducts solo artistic activity.
