Felix Yongbok Lee (born 15 September 2000), known mononymously as Felix, is an Australian rapper and singer based in South Korea. He is a member of the South Korean boy band Stray Kids, formed by JYP Entertainment in 2017.His first solo song "Deep End" was included on Stray Kids' compilation album SKZ-Replay in December 2022, and during the group's 5-STAR Dome Tour in 2023, he first performed his unreleased song "Rev It Up".