Chris "Critter" Eldridge (born June 27, 1982) is a Grammy Award-winning American guitarist and singer celebrated for his virtuosic acoustic playing and genre-blending work. As a core member of the progressive bluegrass group Punch Brothers and a founder of The Infamous Stringdusters, he also regularly performs as a duo with guitarist Julian Lage and served as the guitarist for the house band on Prairie Home Companion/Live From Here from 2016 to 2020. The son of noted Seldom Scene banjoist Ben Eldridge, he studied at Oberlin Conservatory under Tony Rice, and his career has earned nine Grammy nominations, including a win for Best Folk Album in 2019 with Punch Brothers. In 2013, he appeared as Mike Timlin in the Coen brothers' film Inside Llewyn Davis, and in 2019 he was named Instrumentalist of the Year at the Americana Music Honors & Awards. He became a Visiting Professor at Oberlin in 2020 and released an eponymous album with the bluegrass supergroup Mighty Poplar in 2023. His nephew, Bryce Eldridge, is a highly touted prospect in the San Francisco Giants MLB system.