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. 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 in Sinnoh.
It is the bringer of emotion.
Japanese Name: Emrit