“Ken Sugimori is a Japanese video game designer, illustrator, manga artist, and director. He is most famous as the character designer and art director for the Pokémon franchise.”
https://en.wikipedia.org/wiki/Ken_Sugimori
As mentioned by Wikipedia he is most famous for the art of both the human characters and Pokemon designs within the Pokemon Series. He was born on January 27th, 1966. He drew the original 151 Pokemon from the first series and has also worked on various Pokemon movies, trading cards and other games. He still works on some of the newly designed Pokemon as well. Here are some of his creations.
krisnextgen 