Who is the tertiary antagonist in Harry Potter and goblet of fire?

It's a little tricky to define a *tertiary* antagonist in Harry Potter and the Goblet of Fire, as the story has multiple antagonists with varying levels of prominence.

However, a strong contender for the *tertiary* antagonist would be Barty Crouch Jr.

Here's why:

* Indirect Villain: While Voldemort is the main antagonist, Crouch Jr. acts as his puppet, carrying out his plans disguised as Mad-Eye Moody.

* Significant Role: Crouch Jr. plays a crucial role in the events of the Triwizard Tournament, directly endangering Harry and others. He manipulates events and orchestrates the return of Voldemort.

* Less Prominent than Other Antagonists: Compared to Voldemort and the Death Eaters, Crouch Jr.'s actions are focused on a more specific goal (bringing Voldemort back) and are largely hidden behind his disguise.

While some might consider Peter Pettigrew (Wormtail) as the tertiary antagonist, he is more directly connected to Voldemort's plans and less prominent than Crouch Jr. in the Goblet of Fire.

Ultimately, labeling a tertiary antagonist in a story like this depends on how you define the specific role and impact of each character.