There are many theories as to how Casper the Friendly Ghost died at such a young age. Being burned alive or cancer seem like strong contenders given his lack of hair. Another school of thought (seen in our Ghosts Who Love One Another t-shirt) considers that he may have been born a ghost. We may never know the truth, but here's a recreation of one of his comic covers. See it side by side with the original at the Covered Blog.