Hernandez, Pedro (March 1, 2011). "Top 5 Pokémon: Pedro's Picks". Nintendo World Report. Archived from the original on November 13, 2022. Retrieved March 2, 2014.
ピカチュウは大福? 初めて明かされる誕生秘話 [Is Pikachu Daifuku? The Secret Story Behind its Creation Revealed for the First Time]. Yomiuri (in Japanese). May 2, 2018. Archived from the original on October 6, 2023. Retrieved January 22, 2024. English transcript of interview available at "Creator Profile: The Creators of Pikachu". Pokemon.com. July 26, 2018. Archived from the original on August 30, 2020. Retrieved February 9, 2024.
ピカチュウは大福? 初めて明かされる誕生秘話 [Is Pikachu Daifuku? The Secret Story Behind its Creation Revealed for the First Time]. Yomiuri (in Japanese). May 2, 2018. Archived from the original on October 6, 2023. Retrieved January 22, 2024. English transcript of interview available at "Creator Profile: The Creators of Pikachu". Pokemon.com. July 26, 2018. Archived from the original on August 30, 2020. Retrieved February 9, 2024.
Hernandez, Pedro (March 1, 2011). "Top 5 Pokémon: Pedro's Picks". Nintendo World Report. Archived from the original on November 13, 2022. Retrieved March 2, 2014.
ピカチュウは大福? 初めて明かされる誕生秘話 [Is Pikachu Daifuku? The Secret Story Behind its Creation Revealed for the First Time]. Yomiuri (in Japanese). May 2, 2018. Archived from the original on October 6, 2023. Retrieved January 22, 2024. English transcript of interview available at "Creator Profile: The Creators of Pikachu". Pokemon.com. July 26, 2018. Archived from the original on August 30, 2020. Retrieved February 9, 2024.