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". In 2025, he released his first OST, featuring with LiSA on the track "ReawakeR", which was used as the second season opening for anime "Solo Levelling".