Jane Kangaroo (1952 character)

Jane Kangaroo, is the main antagonist of Horton Hears a Who she is a busybody and creator of the jungle's laws who is skeptical about the existence of the Whos and Whoville on a dust speck (due to being under the pretense that anything which cannot be seen, heard or felt is nonexistent). She also is mother of Junior Kangaroo who thinks her to be very embarrassing. She is a major antagonist in The Wubbulous World of Dr. Seuss.