Nancy A. Collins is an American horror fiction writer best known for her series of vampire novels featuring her character Sonja Blue. Collins has also written for comic books, including the Swamp Thing series, Jason vs. Leatherface, Predator: Hell Come A' Walkin' and her own one-shot issue Dhampire: Stillborn.

The Swamp Thing is a superhero in American comic books published by DC Comics. A humanoid/plant elemental creature, created by writer Len Wein and artist Bernie Wrightson, the Swamp Thing has had several humanoid or monster incarnations in various different storylines. The character first appeared in House of Secrets #92 in a stand-alone horror story set in the early 20th century. The character then returned in a solo series, set in the contemporary world and in the general DC continuity. The character is a swamp monster that resembles an anthropomorphic mound of vegetable matter, and fights to protect his swamp home, the environment in general, and humanity from various supernatural or terrorist threats, his archnemesis being the sorcerer Anton Arcane.