Manny Heffley is the younger brother of Rodrick and Greg who is constantly pampered and spoiled by his parents. As the youngest child of the Heffley family. Manny Heffley is a selfish and spoiled toddler. Whenever he doesn't get his way, he will do things such as removing all the electricity at the house except for his room. Manny has shown that this is true - he has no real friends and never plays with other kids in playgroups, but has imaginary ones and uses these to get out of trouble.