you should have put REVISED,but my favorite pokemon is Mew(the creator).
Technically Mew isn't "the creator" Arceus(God) and Giratina(Devil) Pokemon weren't created by Mew, Arceus lives high up in New Dimension(Poke-Heaven, and Giratina lives on Reverse...(opposite of High is low...So basically Poke-Hell)
CREATORS:
Mew: responsible for all Pokemon except Legendaries
Lugia: responsible for Articuno, Zapdos and Moltres
Ho-oh: responsible for Entei, Raikou and Suicune
Regigigas: responsible for Regirock, Regice and Registeel
Rayquaza: responsible to keep the merge between Kyogre/Groudon
Kyogre/Groudon: responsible to keep the worlds "natural" peace
Arceus: 1/5th's as: Dialga, Palkia, Uxie, Mesprit and Azelf
Giratina: a dark denizen that dwells in reverse world
Deoxys: Struck by radioactive UV-light as a meteorite
Darkrai: Unknown intentions
Latios/Latias: Natural guardians of peacekeeping
Lucario: 1,000 year old ancient pokemon, but not a creator