What to watch: Hungry Hungry Hippos

Forget the Avengers. I would rather watch giant hippos (preferably radioactive) attack the planet. Now, who would you cast as the Hippo Leader?

1. Rush Limbaugh
2. Oprah
3. Shirtless Zac Efron
4. Meryl Streep
5. Tilda Swinton
6. Other