This article, Billy Brennan (SR), was written by me, Styracosaurus Rider. Please do not edit this page without my permission.


Billy on Isla Sorna

Billy Brennan is Alan Grant's dig assistant and friend.


Jurassic Park IV: Extinction

When Dr. Grant arrives in Drumheller, Alberta, Billy is working on one of the first Triceratops bonebeds to be discovered. He accidentally unlocked a door that released a pack of Utahraptor onto the islands.