Julian Alfred Pankratz Viscount de Lettenhof, better known as Jaskier — one of the central characters of the literary saga, as well as the subsequent game series, Geralt's best friend and constant companion, the most famous troubadour and poet, playwright and writer, author throughout the North numerous works and a regular at royal courts.
Jaskier is a dandy and handsome, so much so that he can easily be confused with an elf - this only serves to benefit his fame and success with women.