Mayor McGerkle

Mayor McGerkle is the female mayor of Whoville in Dr. Seuss' The Grinch (2018). She's voiced by Angela Lansbury, who had the previous animated Christmas role as Mrs. Potts in Beauty and the Beast: The Enchanted Christmas, 21 years prior to her recent role.

Her Role in the Movie
According to the mentions, she made Whoville to make Christmas three times bigger this year.

In the physical form, she's only appeared in the annual Christmas Tree Lighting scene as the presenter.