Date of Birth: 
Place of Birth: Warsaw, Masovian Voivodeship, Poland
About Onar (rapper)
- Marcin Donesz (born December 19, 1982), better known by his stage name Onar, is a Polish rapper.
- He began rapping and producing in his teen years with the underground group TJK which culminated in opening for Run–D.M.C.
- during the Rap Day '97 concert in Warsaw.
- TJK fell apart shortly after, and Onar proceeded to form Plomien 81 with Pezet.
- As of then, Onar has recorded several solo albums.
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