Mythical creatures, also known as Legendary Creatures are rare animals found in Red Dead Redemption through DLC.
Jackalope
- Main article: Jackalope
The Jackalope is a mythical rabbit with antlers, Jackalopes can be found only in a few locations.
Four Horses of the Apocalypse
- Main article: Four Horses of the Apocalypse
The Four Horses of the Apocalypse appear in the Undead Nightmare DLC pack. These horses are War, Famine, Pestilence, and Death. Each one can be encountered in the wild and tamed by the player, and each has a special ability. Death can only be found after the other three horses are found.
Sasquatch
- Main article: Sasquatch
The Sasquatch appears in the Undead Nightmare DLC pack. The Sasquatch is part of a side-mission in Tall Trees, requiring the player to hunt and kill them. Killing one also awards an achievement/trophy.
Unicorn
- Main article: Unicorn
The Unicorn appears in the Undead Nightmare DLC pack. Taming one is a requirement to unlock the Undead Hunter outfit and also awards the "Fan Service" Achievement/Trophy. The unicorn can only be found after completing all five ranks of the Undead Hunter challenge and after finding all Four Horses of the Apocalypse.
Chupacabra
- Main article: Chupacabra
The Chupacabra appears in the Undead Nightmare DLC pack. Killing it will unlock the "Chupathingy" Achievement/Trophy and complete the final requirement for the Undead Hunter Challenge.
Horned Goat
- Main article: Horned Goat
The Horned Goat appears in the Undead Nightmare DLC pack. Horned Goats have larger than usual horns, darker coats than regular goats. They can be found everywhere in herds.