Monsters (Omniverse)

Monsters are mostly the opponents that the Power Rangers fight throughout both the PR/Sentai franchises and in Power Rangers: Omniverse

Overview
Monster is the collective name given to the children and descendants of Apophis, the Mother of All Monsters, and other supernatural creatures that has existed on Earth. Although referring to many different species, some share a point of origin, and traits. They are supernatural creatures with extraordinary strength and powers and abilities. They commonly prey upon humanity and are the primary opponents of the Power Rangers on Earth.

The Mother of All Monsters: Apophis
Alphas Common Monsters
 * Alpha Vampire Count Dracula
 * other known Alphas
 * Ghosts
 * Vampires
 * Reapers
 * Trickster (turned out to be the Archangel Gabriel)
 * Djinn
 * Werewolves
 * Witches
 * Shapeshifting Ghouls
 * Croatoan Infected Humans
 * Various Pagan gods
 * Okami
 * Goddess of Truth, Veritas
 * Fairies
 * Leprechaun
 * Dragons
 * Arachnids
 * Khan Worm
 * Jefferson Starships (vampire/werewolf/djinn hybrid)
 * Leviathan Infected Humans