Pokémon was created in 1995, by Stoshi Tajiri. It is managed by 'The Pokémon Company' which is made up of Game Freak, Creatures and Nintendo.
They are creatures who live in the wild, or even with humans. Pokémon are unable to speak, but only repeat their name as aform of communication. These creatures are raised by humans called "Trainers", they are able to grow and become stronger and 'evolve' into a stronger form of themselves. There are over 700 pokémon currently within the franchise.
To find out about the all of the available pokémon games click here.