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Fan Casting Billie Eilish as Bowser Jr. in The Super Mario Bros. Movie Sequel Casting Predictions

spaghettifarm made this fan casting suggestion on June 25, 2025. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

Billie Eilish as Bowser Jr. in The Super Mario Bros. Movie Sequel Casting Predictions

Billie EilishUnited States

23 years old
Billie Eilish Pirate Baird O'Connell (/ˈaɪlɪʃ/ EYE-lish; born December 18, 2001) is an American singer-songwriter. She first gained public attention in 2015 with her debut single "Ocean Eyes", writ...
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Bowser Jr. in The Super Mario Bros. Movie Sequel Casting Predictions
Fan Casting

Billie Eilish

as

Bowser Jr.

in

The Super Mario Bros. Movie Sequel Casting Predictions

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The Super Mario Bros. Movie Sequel Casting Predictions

The Super Mario Bros. Movie Sequel Casting Predictions

Happy Mar10 Day!
by Spider-Sonic Prime
Prediction of who voices who in the upcoming sequel to The Super Mario Bros. Movie. (Happy Mario Day!)
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Fan casting suggestion made by:

spaghettifarm

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Billie Eilish is known for her roles in Billie Eilish: The World's a Little Blurry, Happier Than Ever: A Love Letter to Los Angeles, and When Billie Met Lisa. She has been suggested by fans for 62 roles on myCast, including 24 in Face Claims Sorted by Age in 2025. Similar actors include Sabrina Carpenter, Lady Gaga, and Jenna Ortega. Billie Eilish was suggested to play Bowser Jr. in The Super Mario Bros. Movie Sequel Casting Predictions by spaghettifarm. Other actors sugggested to play this role include Luci Christian, Nancy Cartwright, and Nicolas Cantu. The Super Mario Bros. Movie Sequel Casting Predictions has 21 roles, including Wario, Waluigi, and Princess Daisy.

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