Possible Clues:

• Bismarck's first name
• 'Beetle Bailey' pooch
• Holy Roman emperor
• Bus driver on 'The Simpsons'
• Sgt. Snorkel's four-legged friend
• Name that sounds like a car
• One of the Ringling Brothers
• Germany's ___ von Bismarck
• "Beetle Bailey" canine
• Camp Swampy dog