Apochaos

Palagon (pronounced PAL-uh-gon, Japanese: ??? ???) is a Dragon-type legendary Pokémon. It is not known to evolve into or from any Pokémon.

Palagon (anime)
Palagon appears along with Palagon in the seventeenth Pokémon movie.

Evolution
Palagon does not evolve.

Name origin
Palagon's name is a combination of the words "paladin" and "dragon".