Analysis of information sources in references of the Wikipedia article "Hitokage" in Vietnamese language version.
Sugimori: "Bulbasaur, Charmander, and Squirtle were all designed by Ms. Nishida."; Nishida: "I created the designs for Bulbasaur, Charmander, and Squirtle by working backward from their final forms. I wanted people to be surprised when it evolved into Charizard, so I designed the original Charmander in such a way that Charizard would be unimaginable."
Sugimori: "Bulbasaur, Charmander, and Squirtle were all designed by Ms. Nishida."; Nishida: "I created the designs for Bulbasaur, Charmander, and Squirtle by working backward from their final forms. I wanted people to be surprised when it evolved into Charizard, so I designed the original Charmander in such a way that Charizard would be unimaginable."
