There are some characters in the story: heart, brain, miser, vanity, old age and so on. What's the title of this book?

That book is called Fifteen Baskets of Jokes. There are two brothers who use their brains attentively, three slackers who are lazy in vats, a miser, a vanity, a wolf, a silly gourd and so on. And a series of fifteen jokes. I saw it when I was a kid. That book has been stored for twenty years and has been turned over. You can buy it online now.