1. In a long-running PETA ad campaign, celebs say they'd "Rather Go Naked" than wear what?

2. Adolph Marx, the second oldest of the Marx Brothers, took his stage name because of his skill on what instrument?

3. What kind of animal is Horton, the star of two Dr. Seuss books?

4. Since 1834, the Marine Corps has been part of which branch of the U.S. Armed Forces?

5. What Christian holiday takes place exactly one week after Palm Sunday?

What’s the "Kennection" between all five answers?