Alfrendo

Alfrendo is a minor antagonist from Diary of a Wimpy Kid: Cabin Fever. Greg got him for Christmas so that he would be ready to take care of a baby brother. However, Greg lost him and feared that Alfredo would come to get revenge. He eventually found Alfredo in the basement.

Trivia
Alfredo is the fourth non-human antagonist, the first being the Cheese, the second was the Muddy Hand  and the third was Sweetie.