Animation
The Vault-Keeper appeared in animated form on the Tales from the Cryptkeeper series with David Hemblen supplying the voice. This version of the Vault-Keeper was something of a Mad scientist; while the Old Witch relied on magic and the Cryptkeeper on his quick wit, the Vault-Keeper created experiments and strange inventions in his attempts to steal the spotlight.
Read more about this topic: Vault-Keeper (comics)