On a bridge

Question: I met a man on a bridge he tipped his hat and drew his cane in this riddle I said his name. What is his name?

Question: Why did the hen cross the road?

Question: What do you call a sad bird?

Question: What is an astronaut's favorite key on the keyboard?

Question: What is the tallest building in the world?

Question: What tastes better than it smells?