Hamtaro (とっとこハム太郎, Tottoko Hamutarō, "Trotting Hamtaro") is a Japanese children's manga and storybook series created and illustrated by Ritsuko Kawai. The manga is serialized in Shogakukan's all girl's magazine Ciao in 1997, focusing on a hamster named Hamtaro who has a variety of adventures with other hamsters, known as "Ham-Hams" ("Hamuchans" in the Japanese version). VIZ Media published the manga adaptations and storybooks in English. Multiple anime adaptations were produced by TMS Entertainment and aired on TV Tokyo. The first series was dubbed in English by The Ocean Group.