Christopher Chahn Bahng[3][4][5] (born 3 October 1997), known professionally as Bang Chan (Korean: 방찬), is an Australian singer, rapper, songwriter, and record producer based in South Korea.

Bang Chan played a pivotal role in forming Stray Kids by selecting trainees who aligned with his vision, naming the group, and designing their logo.

Beyond creating music for Stray Kids, he has composed for TV series like Pop Out Boy!, Tower of God, and Re:Revenge - In the End of Desire, as well as films including Doraemon: Nobita's Sky Utopia and Deadpool & Wolverine.

Bang Chan has also written songs for artists such as JO1, Yao Chen, and Show Lo, and collaborated with Alesso, Sky-Hi, Tiger JK, Lil Durk, and Japanese singer Lisa.

[17] During his traineeship, Bang Chan made cameo appearances in music videos for other JYP Entertainment artists, including a café customer in Miss A's "Only You" and a zombie in Twice's debut, "Like Ooh-Ahh".

[18][19] Bang Chan met future bandmates Han and Changbin while taking MIDI classes[9] and together in 2016, they formed a hip-hop group called 3Racha.

[25] In early 2018, he, along with the other Stray Kids members, released their first pre-debut album, EP Mixtape, featuring the group's self-composed songs from the survival show.

[34] He also participated in the soft rock unit track "Waiting For Us" alongside Lee Know, Seungmin, and I.N, which was part of the Oddinary EP, released on 18 March 2022.

[51] Bang Chan contributed to the songwriting and composition of Taiwanese singer Show Lo's track "我的世代 (Wo De Shi Dai)" from his full-length album No Idea, released in 2019, marking his first notable collaboration outside of Stray Kids.

[53] In December, Bang Chan, as part of the producing team 3Racha, composed the solo song "Nevermind" for Yao Chen, a member of the Chinese boy group R1SE.

[59] In addition, Bang Chan contributed to major film soundtracks, starting in early 2023 when he, along with Han and Changbin, was approached to write and produce "Paradise" for NiziU's 5th single, which became the theme song for Doraemon: Nobita's Sky Utopia.

[65] In August 2021, after the band came to the actor's attention for their Deadpool-inspired performance during the third round of Kingdom: Legendary War, Bang Chan interviewed Ryan Reynolds for Naver TV as part of promotions for the film Free Guy.

The four-episode series featured discussions about their interests, hobbies, and behind-the-scenes stories from album production, with guest appearances from other Stray Kids members.

[7] Bang Chan is also part of 3Racha, a sub-unit within Stray Kids that focuses on creating music that pushes the boundaries of traditional K-pop, blending elements of hip-hop, EDM, and pop-rock.

As the group's leader, Bang Chan significantly influences their musical direction by writing, composing, and producing the majority of their songs, making vital contributions to their discography.

[74] In 2023, Bang Chan was recognized on the KBS 2TV variety show Hong Kim Dong Jeon for his substantial music royalty earnings, attributed to his extensive songwriting credits.

[83] In 2022, Bang Chan, along with Han and Changbin, was acknowledged by Paper magazine as one of the "most prolific self-produced idols" in South Korea, contributing to the evolving sound of K-pop's current generation.

[1] In addition, Bang Chan has been recognized for his "instrumental role" in Stray Kids' global success, particularly through his contributions to the group's discography, as noted by Teen Vogue.

[9] In a Daily Sports X Mubeat Weekly Choice poll conducted from 20 to 26 January 2022, Bang Chan ranked 2nd receiving 946,705 votes and was recognized as the idol leader expected to lead K-pop in 2022.

[76] In February 2024, Bang Chan made his solo debut on the cover of Nylon Japan's special edition themed "One Love, One Life", featuring Swarovski's jewelry.

The edition includes a double cover, visuals, and mini photo cards, emphasizing his role as the leader of Stray Kids and conveying messages to fans.

[91][92] Bang Chan's appearance at Milan Fashion Week SS25 Men's Wear generated $3.43 million in earned media value (EMV), making him the fifth most influential figure in that event.

[98] In December 2023 Bang Chan co-hosted the fourth 'EDM Day' with Park and Jihyo of Twice, taking part in the Love Earth Challenge campaign and meeting children interested in joining the entertainment industry.

[99] In August 2023 Bang Chan performed as part of 3Racha at the annual Global Citizen Festival,[2] including addressing the need for social change and an end to world poverty.

[100][101] On 3 October 2024, Bang Chan donated ₩100 million (US$76,589.47) to the Community Chest of Korea to mark his birthday, supporting people with developmental disabilities by funding health check-up systems and capacity-building training for athletes, and joining the 'Honor Society' of high-value donors.