1) The story introduces Mr. and Mrs. Twit, a disgusting couple who never wash and play cruel tricks on each other. They keep monkeys in their backyard that they mistreat.
2) Mr. Twit has a hairy, unwashed beard and enjoys eating bird pie made from birds stuck in the tree in his garden. He plays tricks on his wife like putting a frog in her bed.
3) Mrs. Twit carries a cane and hates her husband and children. She serves Mr. Twit spaghetti with worms in it as a trick.