Swamp Watcher

Swamp Watcher is a adult horror animated series airing on Netflix
Plot
A woman who hunts down vicious swamp creatures created by Lady Mysteria
Characters
Amy Fisher/Swamp Watcher (voiced by Tress MacNielle)
Donatello Fisher (voiced by Robert Irwin)-Amy's brother
Lady Mysteria-a woman who creates Swamp Creatures come to alive (voiced by Tara Strong)