|The Vampire Twins of Transylvania Prep|
|First appearance||"The Book Job"|
The Vampire Twins of Transylvania Prep was a book that was considered being published for a short time having Lisa betrayed the whole crew that created the original story. It was later changed to the original one The Troll Twins of Underbridge Academy after Lisa publish the book. The crew was surprised that their original book was published thanks to Lisa. It was known that she change the flash drives and got the crews one after hugging Bart in sorrow.