Park Jae Hyung, known by stage name eaJ, is a Korean-American musician and Twitch streamer. He is a former member of DAY6 (under the stage name "Jae"), and was with the band from 2015-2021. He debuted as a solo artist in 2021 with the single "Car Crash" and has released 5 EPs over the course of his career, as well as countless singles.