Early on October 4th, Ryan Reynolds uploaded a video to the official Twitter account of his business, Maximum Effort, with the caption "Celebrating a significant Birthstay." He also included the hashtag "#HappyBangChanDay" with this. The publicly released video combines Bangchan of Stray Kids dancing with a clip from the film "Free Guy."

In the film, Guy (Ryan Reynolds) adds Bangchan's appearance to the actual moment seen when he dons a pair of distinctive sunglasses and conveys a message to commemorate the birthday in the video. The addition of Bangchan's birthday attracted notice. He said this, followed Stray Kids' official Twitter account and even subscribed to Bangchan's Bubble account after inadvertently observing the stage of "New Ddu-Ddu Ddu-Du," in which Stray Kids paid homage to "Deadpool."

Ryan had expressed his excitement for Stray Kids' most recent reappearance in a response to the 'MAXIDENT' introductory video on YouTube. An American and Canadian actor named Ryan Rodney Reynolds is most known for playing the role of Deadpool in the Marvel Comics series. He is one of the all-time highest-earning movie stars, with a global box office take of more than $5 billion. The 20th Century Fox 'X-Men' movies 'Deadpool' (2016) and 'Deadpool 2' (2018), in which Ryan Reynolds starred as the film's titular character, where the actor's biggest commercial successes. The former broke a number of milestones for an R-rated comedy when it was first released, and his performance led to nominations for both the Critics' Choice Movie Awards and the Golden Globe Awards.

Christopher Bang, often known as Bangchan, was born in Seoul, South Korea, on October 3, 1997. He is the band's manager, producer, lead singer, rapper, composer, and dancer.

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