Shrek:

Shrek is the main character in the Shrek movies. He is a large, green ogre that does not have any friends because he is scary, until he meets Donkey and a few more.

Main Characters

Donkey:

Donkey is Shrek's best friend, and at a time, his only friend. Throughout all the movies, Donkey is a very loyal follower of Shrek. This undying loyalty is what leads to them becoming friends.