It's made a few appearances here and there since then but has spent most of the past two decades kicking back with Professor Oak in Pallet Town.
Giratina is one of the most frightening Pokemon in the history of the franchise.
Ice-types also have some of the strangest and most divisive designs in the series, which further adds to their lack of popularity.
Ash first caught Swellow in , making it one of his earliest Pokémon in the anime series.
To become a Pokémon , you must collect all eight gym badges in that region and defeat the Pokémon elite four.
Although many other Pokemon have the ability to Mega Evolve and also benefit from the same 100 stat point bonus after doing so, Mewtwo and Rayquaza are tied when it comes to the strongest Pokemon that have access to Mega Evolution.