When researching Mythology you learn about many different types of creatures with various abilities. What is unique about shapeshifters however, is their ability to completely transform their bodies into something else. The most common theme/ transformation being from a human into an animal.
Werewolves are shapeshifters
mythological characters and stories
Bruce Coville's Shapeshifters was created in 1999.
You look in vain for the age of the mythological characters.
Poseidon's brothers were Zeus and Hades
Mythological tales
weightlifters
Yes. Shapeshifters are polymorphic because they can change into any form they want to.
There are several shapeshifters in X-Men, but perhaps the best known is Mystique.
The mythological characters have not existed in our chronology.
The god himself, o mighty Zeus! - Mysterious The god himself, o mighty Zeus! - Mysterious
It depends on the lore or mythology you're referring to. In many stories, shapeshifters are not immortal but have the ability to change their form. However, there are also versions where shapeshifters can live longer lives or have a form of immortality.