Jack Black

 (born August 28, 1969 in, ) is an American actor, comedian, musician, and songwriter. He is best known for his work in Hollywood comedy films, including ', ', and . Black's most famous role in animation is that of in 's  franchise (alongside Seth Rogen), which incidentally was referenced in  in Mario Kart 8 and Mario Kart 8 Deluxe with a Kung Fu Lakitu poster. As a musician, he is best known as one half of the comedy rock duo alongside. In 2018, Black received a placement in the.

In a Nintendo Direct presentation broadcasted on September 23, 2021, Black was revealed as the voice of Bowser in The Super Mario Bros. Movie by Illumination. On October 6, 2022, he appeared at the movie's teaser trailer screening at to discuss his role in the movie, his impressions on the trailer, and his memories of playing Mario games. On voicing Bowser, Black states that he sought to portray him as hiding an insecurity or vulnerability under his threatening, "fire-breathing monster" facade.

During an appearance on The Kelly Clarkson Show alongside cast members Chris Pratt, Charlie Day, and Keegan-Michael Key, he wore a Bowser costume while talking about the film.