What spirit is the comic book nemesis of Casper, the Friendly Ghost?

More Questions:

'Project Kansas" was the name for the top secret 1985 attempt to revamp what product?

What song, first used by FDR, has since become the unofficial theme song of the US Democratic party?

What original literary work was the movie "Gettysburg" based on?

What is the name of the old gray donkey in Winnie-the-Pooh?

Rex Stout created what private eye?

What animal is depicted on the flag of California?

What city is home to the Rose Tower?

What color eggs do peacocks lay?

What actor did Melanie Griffith marry, and divorce, twice?

Who replaced Ronnie James Dio in Black Sabbath?

Who plays the role of Kissy Suzuki in the movie "You Only Live Twice"?

Which US president was nicknamed the "Little Magician"?

Who was the first U.S. billionaire?

What was known as the Lady of the Lamp?

What was the last book novelist Harper Lee published before passing away in February of 2016?