[[pokemon|Pokémon]] #481 in the National PokéDex, a Psychic type Legendary Pokémon.
Mesprit is a small, gray, fairy-like Pokémon. It has two tails that each have a red jewel encrusted in them. These are, presumably, two of the jewels which comprise the "Red Chain":http://bulbapedia.bulbagarden.net/wiki/Red_Chain. Mesprit has a partially magenta face with four long, drooping appendages and another red gem encrusted in its forehead.

With [[Uxie]] and [[Azelf]] is is part of the "Lake Guardians":http://bulbapedia.bulbagarden.net/wiki/Lake_guardians in Sinnoh. 
It is the bringer of emotion.

Japanese Name: [b]Emrit[/b]

Prior Pokémon: [[Uxie]]
Next Pokémon: [[Azelf]]
エムリット