This article, Billy Brennan (D14), was written by me, Disney14ph12. Please do not edit this page without my permission.

Billy Brennan is one of Dr. Alan Grant appears in Jurassic Park III, where he travels to Isla Sorna with Grant and the Kirby family. He also appears in Jurassic Park IV - Terrifying Forest, In the beginning he was working at a dig-site he finds along with some others find some dinosaurs fossils (unknown dinosaur yet).


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