Name: Giant Rat of Sumatra
Other Names: Large Bamboo Rat
First Appearance: (mentioned) "The Adventure of the Sussex Vampire" in The Case Book of Sherlock Holmes (1924); (mentioned in comics) Before Fantastic Four: Reed Richards #1 (Sep. 2000): "Reed Richards & The Riddle of Bast! Part 1"
Creators: Arthur Conan Doyle
Number of Appearances: 15
Note: first mentioned as past encounter of Sherlock Holmes
After first being mentioned in passing in a Sherlock Holmes story, the "Giant Rat of Sumatra" has subsequently been mentioned or featured in detail in works by numerous authors. In Marvel Comics, the Giant Rat of Sumatra was encountered by Reed Richards and Alyssa Moy in an adventure set before the Fantastic Four was formed.
Suggested links for further research about this character and the character's religious affiliation: