Good Riddles

 
What am I? (medium)

Question: I rule the ends of the universe. I control its laws. I reign the galaxy. The start of space is the start of me. The end of the universe is the end of me. The name of my slaves bring mighty terror to you. The universe wouldn't work if it wasn't for me. What am I?

Gotham #4 (medium)

Question: The more you cut into me the bigger I grow, what am I?

Riddle #371 (medium)

Question: You have found a mutant algae that doubles in size every hour. It takes 18 hours for one algae plant to take up half of a certain lake.

How long would it take for two of these plants to take up half of the same lake?

Fortune (medium)

Question: What does it mean when you're reading a fortune?

Funny Riddle (medium)

Question: Why was the fat man sad?