Sour Kangaroo

Sour Kangaroo, also known as Jane Kangaroo, is the (former) main antagonist of the 1954 children's book Horton Hears A Who! by Dr. Seuss, the 1970 animated television special Horton Hears A Who!, the 1992 animated film I Can Hear You, the 2000 Broadway musical Seussical, and Blue Sky's 4th animated feature film Dr.