Ms. Grunion

Mrs. Grunion is the main antagonist of the 2014 DreamWorks animated film Mr. Peabody and Sherman. She is voiced by Allison Janney.

Bio
Mrs. Grunion is a plump, strict, and cat-loving school counselor. After Sherman bites his classmate Penny Peterson for calling him a "dog", Grunion is determined to have the adoption agency reclaim Sherman from Mr. Peabody.

Trivia

 * Grunion's voice actress Allison Janney also voiced Gladys Sharp, one of the main antagonists in Over the Hedge, another film by DreamWorks Animation.
 * She looks as fat and as similar to Ursula from The Little Mermaid
 * She has some straight (but almost untrue) similar moves to Agatha Trunchbull from the movie Matilda