Casper and Nightmare was a comic book series published by Harvey Comics. It spanned over a decade with 46 issues starting in August 1963 and ending in August 1974.<br>
Nightmare the Galloping Ghost is Casper the Friendly Ghost's Horse Friend.
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This comic is not to be confused with the long-running version titled <a href="http://wonderclub.com/comicbooks/comicbook.htm?comic=friendly-ghost-casper">The Friendly Ghost Casper</a>.
