Moon
What is large, bright, and stupid?
A fool moon.
Monsters
What do you call a monster tree that wanders around the forest?
Frankenpine.
Monsters
Which monster is very untidy?
The Loch Mess Monster!
Monsters
What if you cross a legendary Scottish monster and a bad egg?
The Loch Ness pongster.
Money
My brother said, 'I'm going to become a forger. I'm going to make some big money.'
I said, 'Don't make it too big or someone will notice.'
Money
What kind of money do snowmen use?
Iced lolly.
Moon
His solar panels are pointing at the moon.
Monkeys
What do monkeys sing at Christmas?
Jungle bells, jungle bells.
Money
How do you know if a Scotsman is left-handed?
He keeps all his money in his right-hand pocket.
Months
Some months have 31 days. How many have 28?
All of them - all months have (at least) 28 days.