Wendy: But Casper's such a friendly guy.
Referencing Casper the Friendly Ghost, a child ghost created by Seymour Reit and Joe Oriolo in 1939. He was first featured in a children's story book and then featured in cartoons. The rights were later purchased by Harvey Studios which created several cartoon series from the 1960s on. Casper has been featured in several live-action movies.