Arthur Heffley

"Murp Rrup"

- The 2 most common lines of Arthur Heffley.

Arthur Heffley is the great-uncle of Greg Heffley. He doesn't say words and instead says "Murp" and "Rrup". He only appeared briefly in The Ugly Truth when the family stayed at Gammie's house for Uncle Gary's wedding.

Trivia

 * Due to the reason he can't talk, he must be quite old.
 * He is likely the brother of Grandpa.

Appearances

 * Diary of a Wimpy Kid: The Ugly Truth (first and only appearances)