The main antagonist of Jurassic World Rebirth is Martin Krebs , with the Distortus rex also serving as a major dinosaur antagonist in the film.

Quick Scoop

  • Martin Krebs is the human villain driving the mission for profit.
  • Distortus rex is the mutated dinosaur threat and one of the film’s main antagonists.
  • Some coverage also points to the Mutadon as a secondary threat, but it is not usually described as the primary antagonist.

In simple terms

If you mean the “bad guy” behind the plot, it’s Martin Krebs.

If you mean the biggest monster threat, it’s the Distortus rex.

TL;DR

Human antagonist: Martin Krebs.
Creature antagonist: Distortus rex.