HamtaroHamtaro.

Hamtaro, known in Japan as Trotting Hamtaro (とっとこハム太郎, Tottoko Hamutarō), is a Japanese children's manga and storybook series created and illustrated by Ritsuko Kawai about a hamster named Hamtaro. The manga was first published in Shogakukan's Shōgaku Ninensei (Second Grade) magazine in April 1997; more Hamtaro stories would later be added into the other grade-level magazines, as well as in Ciao. The series focuses on a hamster named Hamtaro, who has a variety of adventures with other hamsters known as the "Ham-Hams" ("Hamuchans" in the Japanese version).