I.N

I.N, born Yang Jeong-in on February 8, 2001 in Busan, South Korea, is the youngest member and maknae of Stray Kids. Growing up in Busan, he developed the warm, straightforward regional personality associated with the city, along with a distinct dialect that surfaces in casual conversations. He joined JYP Entertainment as a trainee and appeared on the Stray Kids survival reality show, ultimately debuting as the group's youngest member in March 2018 at just 17 years old.

As a vocalist and dancer, I.N provides a different tonal quality to Stray Kids' sound than the group's dominant rapper-producers. His clear, youthful tenor voice brings melodic accessibility to the group's harder-edged productions, and his steady vocal development since debut has been one of the most discussed growth arcs within the Stray Kids narrative. He regularly takes on melodic hooks and bridge sections that require emotional delivery and tonal clarity.

Despite being the youngest in the group, I.N has consistently surprised both fans and fellow members with his maturity and independence. Other members frequently note that his personality feels older than his age — he is thoughtful, observant, and quietly confident in a way that belies his maknae status. Off stage, he enjoys video games and regularly goes live with fans, creating an accessible, casual space for interaction that complements the group's more polished content.

I.N's journey from a Busan teenager debuting at 17 to a fully realized member of one of K-pop's most globally successful groups reflects both the demanding nature of idol training and the personal growth it can enable. His vocal development, natural stage presence, and genuine personality have made him an indispensable part of Stray Kids' identity, and the warmth he brings to the group's dynamics is felt by fans and fellow members alike.