Eric Kripke has detailed why the death of Terror, Billy Butcher's English bulldog, served as a pivotal moment in the series finale of The Boys. The peaceful passing of the pet marks the end of Butcher's remaining humanity and propels him toward eliminating all supes.
Series creator Eric Kripke described the decision as a fitting trigger for the story's climax. He noted that the dog embodied the last vestige of Billy Butcher's humanity, with its loss symbolizing the character's complete transformation. Kripke emphasized that the show provided Terror with a gentle and peaceful death, in contrast to the more violent end depicted in the original comics.