Entertainment
- Casper the Friendly Ghost, Paramount cartoon character owned by Harvey Comics
- Casper (film), 1995 film featuring Casper the Friendly Ghost
- Casper (video game), series of video games based on the film
- Casper (handheld video game), Game Boy game based on the film
- "Casper", the working title of the song "The Day That Never Comes" by Metallica
- Casper, one of three parts of the biocomputer in the anime series Neon Genesis Evangelion
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