Gary Heffley

Gary Heffley, more commonly referred to as, Uncle Gary, is the uncle of Greg, Rodrick and Manny. Not much is known about him, apart from the fact that he was mentioned in book 3, and Greg had to go to his wedding in book 5. He is the main antagonist in The Third Wheel.

Personality
Most of Gary's personality is not hinted in the book, but he is shown to be a money-loving person as he always uses up his money to buy Scratch Cards, which he hopes to win. He also appears to fail or leave every job he had in sometime only.

In The Last Straw
In The Last Straw, Greg mentions that he got a shirt on his first wedding and if he doesn't gets clean clothes he will have to wear it.

In The Ugly Truth
He is heavily featured in The Ugly Truth, as he is getting married for the fourth time to a woman named Sonja. But at their wedding his bestman Leonard stands  up and gives a toast that when Gary and Sonja were watching a baseball game while they were dating Gary thought of breaking up with her and start dating her sister instead, but before he could do that a plane flew with a banner saying "Marry Me Sonja?" Sonja reacted to it thinking it was from Gary, but Leonard said there must've been someother guy with a girlfriend named Sonja but Gary was afraid the guys around his seat would beat him if he lets Sonja down, after hearing this Sonja got angry with Gary might have divorced her because she isn't seen with him in Third Wheel, so they have possibly divorced.

In The Third Wheel
In 'The Third Wheel' Gary moves in with Greg after borrowing his brothers money to buy a Boston souvenir stand. When Frank sends the money, Gary buys the business before realising that Boston is misspelled as Botson on the shirts, but he didn't want give up selling them. he also sold one to Rodrick for three bucks, he also keeps on buying scratch cards with the money he gets.Gary gives Greg advices of how to get a patner for dance and he even gets signed up as a "DJ" at the dance. At Gregs dance, Gary sells the T-Shirts in the dark Paris-Themed room. When the elderly turned on the lights, Kids started complaining that they were being ripped off, but Gary distracted them by increasing the music's volume. He then bought a bunch of Scratch Cards, and one of them won him $40,000 so he repayed Frank the money he owed him, wished Greg luck in his love life and moved out of the house.

Wives

 * Linda (Divorced)


 * Charlene(Divorced)


 * Cindy (In online version) (Divorced)


 * Lydia (Divorced)


 * Sonja (Possibly Divorced)


 * Linda (Online) (currently married)

Trivia

 * When Uncle Joe and Frank Heffley tell Greg he needs to start thinking about his future, he comments himself as more of an "Uncle Gary kind of guy".
 * He and Sonja must have divorced because Sonja angrily reacted after knowining that they're getting enanged was a misunderstanding,and Sonja also does not appear at all in The Third Wheel
 * He doesn't appear nor is mentioned in any of the films.
 * He only appeared in all the books that start with the word "The".

Appearances

 * Diary of a Wimpy Kid Online (first appearance)
 * Diary of a Wimpy Kid: The Last Straw (cameo,appeared only on a t-shirt)
 * Diary of a Wimpy Kid: The Ugly Truth
 * Diary of a Wimpy Kid: The Third Wheel