Kirklin “Mack” Hopkins (birthday: March 8, 2000 [age 24] is an American YouTuber and video editor. Alongside his own personal channel amassing nearly 400,000 subscribers since its creation on November 27th, 2012, Mack has become most prominently known for his appearances in both Airrack videos and MrBeast challenges, the latter of which he is a current crew member for and makes consistent on-camera appearances.

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