Not all the time.
In the book 'Interview with a vampire' a vampire is the protagonist and the other vampires supporting characters.
In "The Vampires Assistant" series by Darren Shan, the main antagonist is Mr. Tiny, a mysterious and manipulative figure who orchestrates events behind the scenes. He is a powerful and enigmatic character who poses a significant threat to the protagonists.
The main antagonist in "The Short Second Life of Bree Tanner" is Riley Biers, who is a vampire created by Victoria to lead her army of newborn vampires. Victoria herself can also be seen as an overarching antagonist, as she orchestrates the events that ultimately lead to Bree's demise.
antagonist
If antagonist did not want to harm protagonist, he wouldn't be antagonist. His opposition to protagonist is what makes him antagonist.
Antagonist or villain.
who is the antagonist in sounder
Cory is the antagonist.
Bryce is the antagonist.
Antagonist
are vampires true are vampires true
The main charachter is usually reffered to as the protagonist(or the good guy) and the person that he/she conflicts with is usually refered to as the antagonist(or the bad guy).
A character who is opposed or competes the main character. * is called the antagonist while the main character is called the protagonist,