From publisher description:
Big Trouble vs the Thing is a free Hero/Monster Card expansion for the Big Trouble RPG that introduces 2 new playable heroes plus 2 new monsters in both b&w and color versions. Included are:
Heroes: Pop Singer and Pop Idol.
Monsters: Mutant Moth and Mutant Larva.
In addition to the Hero Cards, a very handy one page Game Master "cheat sheet" is also included in this pdf.
Requires: Big Trouble Settings Guide and Rules