The Helper Hats are minor antagonists in Meet the Robinsons. They were created and cloned by Doris, and serve her as their boss.
Meet the Robinsons
The Helper Hats are seen assisting Doris in their plot to kill Lewis by banging their claws at the original time machine that he was in. In the end, Lewis erases Doris from existence, and the Helper Hats get wiped out as well.