Octopus (タコさん, Tako-san) is a Djungarian hamster who first appears in Hamtaro: Shapes and Numbers.
Friendships[]
Shark[]
Octopus and his other similarly-dressed friends got into a fight with Shark and his friends over who got to play with the Big Octopus. When Big Octopus becomes upset from their fighting, the two reconcile and become friends.