Jokes about his age:
* "Why did the old king cross the road? Because he couldn't remember where he was going!"
* "Why did the old king put his dentures in the refrigerator? He wanted to keep them cool!"
* "What do you call an old king who's always complaining? A grumpy old monarch!"
Jokes about his power:
* "Why did the king bring a deck of cards to a battle? To see if he could draw a royal flush!"
* "Why did the king bring a ladder to a meeting? He wanted to see things from a higher perspective!"
* "What's the best part of being king? You get to rule your own country... and your own wife!"
Jokes about his royal life:
* "Why did the king wear a crown? To keep his hair from falling out!"
* "Why did the king always eat his meals alone? He didn't want to share his power with anyone!"
* "Why did the king always travel with a jester? He needed someone to laugh at his jokes!"
Jokes about his subjects:
* "Why did the king order all his subjects to wear purple? He wanted to be surrounded by royalty!"
* "Why did the king have so many servants? He couldn't handle all the royal work alone!"
* "What did the king say to the farmer who gave him the wrong kind of cabbage? 'I'm a monarch, not a monarchist!'"
Bonus Joke:
* "Why did the king bring a goldfish to his royal ball? He wanted to have a little chat with his royal fin-ancial advisor!"
Remember, humor is subjective. What one person finds funny, another may not. The best way to make a grumpy old king laugh is to know him well and tailor your jokes to his personality.