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Freddy Martinez (Freddy Renfield in the television episode) is the protagonist of the forty-ninth Goosebumps book, Vampire Breath.

In the television adaptation of Vampire Breath, Freddy's name is Freddy Renfield, and he is Cara's twin brother.


Freddy and his best friend, Cara Simonetti were babysitting for Freddy's neighbor, Tyler Brown. Freddy was enjoying himself by telling Tyler (who scares easily) a scary story about werewolves, in spit of Cara's objections. She tried to stop Freddy by wrestling with him and Freddy was hit in the stomach by her which made him see stars. But that didn't stop Freddy by continuing to tell his werewolf story to Tyler, despite his friend's pleas for him to stop. Then they heard footsteps in the other room and all three of them thought it was a werewolf. It turned out to be Tyler's father and he and Mrs. Brown were not pleased to know that Freddy had been telling scary stories to Tyler again. After being payed five dollars each by Mr. Brown, Freddy and Cara walked home, having a laugh about the werewolf story and how Tyler had been scared by it.

On Saturday afternoon, Freddy had invited Cara over and they went down to the basement to play hockey.

General information


Freddy is one of the toughest kids in the sixth grade. He likes it when the teacher's chalk squeaks on the board and he likes having to compete with Cara and he can be a bit cheeky. Apparently, he and Cara have been friends since he beat her up in fourth grade, but it is said that she beat him up. Sometimes Freddy has a tendency to get carried away with some things, such as his strength when he fights with Cara and with his scary stories to Tyler.

Physical appearance

Freddy is twelve years old, Caucasian, big and strong with wavy black hair, dark eyes and a round face.

List of appearances

Title Role Date Series Type
Vampire Breath Protagonist 1996 Goosebumps Book
"Vampire Breath" Goosebumps (TV series) TV episode
Monster Survival Guide Mentioned 2015 Goosebumps The Movie Book


  • Zach Lipovsky (Television Series)
  • Vikas Adam (Audiobook)


  • The last name Renfield is a reference to the character Renfield from the 1897 novel Dracula.