James Austin Johnson (born July 19, 1989) is an American comedian and actor who is occasionally known by his initials, JAJ. Johnson is a cast member of the NBC sketch comedy television series Saturday Night Live, which he joined as a featured player for the show's 47th season in 2021. On SNL, he has impersonated both Donald Trump and Joe Biden. Johnson was promoted to a repertory player in 2023.

Description above from the Wikipedia article James Austin Johnson, licensed under CC-BY-SA, full list of contributors on Wikipedia.