Dr. Peanut

Dr. Peanut (けんきゅうくん, Kenkyū-kun) is a hamster who appears in Hamtaro: Rainbow Rescue. He is a scientist, who, expectedly, studies peanuts.

Trivia

His Japanese name, "Kenkyū", means "to research" or "to study".

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v - e - d Characters
Ham-Ham Gang	Hamtaro \| Oxnard \| Bijou \| Boss \| Maxwell \| Cappy \| Pashmina \| Penelope \| Howdy \| Dexter \| Sandy \| Stan \| Panda \| Snoozer
Allies	Jingle \| Elder Ham \| Auntie Viv \| Pepper \| Sabu \| Stucky \| Lapis \| Lazuli \| Harmony \| Robo-Joe
Recurring	Omar \| Sparkle \| Nin-Ham \| Hannah \| Chef Ham \| Flora \| Barrette \| Seamore \| Ook-Ook \| Buster \| Hambini \| Tomy-T \| Eggy-P \| Marron \| Tater \| Malta \| Solara \| Oshare \| Radar \| Championi \| Sunflower King \| Sunflower Princess \| Hanamaru \| Drizzle \| Gelato \| Broski \| Ice \| Lolly \| Mole \| Nande \| Tux \| Salia
Team Rainbow	Prince Bo \| Rosy \| Ivy \| Daisy
Otome's Crew	Otome \| Lion \| Bear
Hamha Tree	Skyham \| Okini \| Mystery \| Magical
Other/Minor Hamsters	Yuki \| Tsurara \| Haibi \| Postie \| Seedric \| Hamstarr \| Chibi Hams
Haruna Family	Laura Haruna \| Marian Haruna \| Forrest Haruna \| Woody Haruna \| Willow Haruna
Iwata Family	Kana Iwata \| Conrad Iwata \| Cindy Iwata \| Mimi Iwata \| Jack Iwata \| Tina Iwata \| Dylan Iwata
O'Hara Family	Mindy O'Hara \| Kazuya O'Hara \| Ji-chan
Other Humans	Travis Kimura \| Maria \| June \| Kylie \| Hillary \| Noel \| Roberto Arvelo \| Phillip Yoshi \| Goldie Houston \| Zack Houston \| Curtis Milan \| Kip \| Sue \| Yume \| Charlotte Rooster \| Chairman Rooster \| Butler \| Dr. Lion \| Glitter Kurihara \| Melanie Foster \| Nagase \| Emi \| Yukio \| Sachiko \| Yamato Yoshi \| Atsuko Mushakōji \| Jirō \| Kaoru \| Gabriel Black \| Ethan \| Kenta
Animals	Brandy \| Herbert \| Françoise \| Turtly \| Chicky-Chicky Gang \| Kitty \| Princess \| Samba \| Fukusuke \| PePe \| Kumajirō \| Tattles \| PiPi \| Chicken Trio \| Chobi
Djungarians	Leo \| Stripes \| Bunny \| Warts \| Cactus Brothers \| Fox \| Raccoon Dog \| Treasure Box \| Octopus \| Dolphin \| Pheasant \| Djungarian Choir
Ninja Hams	Red Ninja Ham \| Blue Ninja Ham \| Yellow Ninja Ham \| Grey Ninja Ham
Gozaimachu! Vol.2	Mama-Ham \| Papa-Ham \| Baby-Hams \| Inspector Hams \| Dharma Doll \| Donohamu \| Dr. Peanut \| Dumpling \| Haisha \| Kantoku \| Ken \| Naruto \| Shampoo \| Sister \| Stepp \| Umeboshi
Minihamuzu	Guu \| Ai~n \| Merica \| Nonno \| Aiko
Mo Hams	Aiko \| Meshi Ham \|Yasu Ham \| O Ham \| Ni Ham \| Yoshi Ham \| Kon Ham \| Ishi Ham \| A Ham \| Go Ham
Movie	Cook Ham \| DJ-Ham \| Princess Cye-Ra \| King Hamja \| Prince Hamja \| Ayayamu \| Ayayamu's schoolmates \| Crystal \| Dewey \| Old Snow Ham
Villains	Spat \| Devil-Ham \| Sabakunya \| Captain Hamstern \| Mystery Q Leader

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