The Kinkin Lobster is a Dream Eater that appears in Kingdom Hearts 3D: Dream Drop Distance.
Story
As Sora tries reaching Monstro to free Pinnochio and Jiminy from within the massive beast, the Kinkin Lobster attacks, freezing the whale. Realising the danger it poses to his friends, Sora engages the monster in battle. At the end, the Kinkin Lobster is swallowed by Monstro, where it presumebly transforms into the Char Clawbster.
Design
"Kinkin" is Japanese onomatopoeia for freezing.