Grandfather Study Ham (ガクハムジー, Gakuhamujī) is a hamster who appears in the first movie, Hamtaro: Adventures in Ham-Ham Land. He's the janitor of Ham-Ham University. He usually plays a magic bell.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.