1. What speedy hedgehog has been a Sega video game mascot since 1991?

2. What unit of electric potential is named for the Italian scientist who invented the battery?

3. Kevin Kline was the top-billed actor in what 1985 Western that was the breakout film for another Kevin, Kevin Costner?

4. What's the calendar term for the day (in March and September) when the Sun is directly overhead at the Equator?

5. Mel Gibson and Barbra Streisand are among the stars who live in what posh Los Angeles County beachfront city?

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