Who are the main characters in this story three little pigs?

In the classic children's story "The Three Little Pigs," the main characters are the three little pigs and the big bad wolf. The three little pigs are named Practical Pig, Smart Pig, and Lazy Pig. They each build their own houses, with Practical Pig building a house of bricks, Smart Pig building his house with wood, and Lazy Pig building his house with straw. The big bad wolf tries to huff and puff and blow down their houses, but only succeeds in destroying the straw house of Lazy Pig. The two practical pigs, having built sturdy houses, are able to escape the wolf's grasp and live happily ever after.