Dharma Doll (だるまちゃん) is a hamster who appears in Hamtaro: Rainbow Rescue. She is based off the Japanese toy of the same name.
Dharma Doll was created for, and the winner of, a Hamtaro "Friend Contest" in 2000. The contest was held in the Shogakukan Learning Magazines, and the character was created by a First Grade student. However, any further information about her creation (including the original design submission) is unknown.