Sherlock Sammy

Sherlock Sammy (known as Enyclopedia Brown in the online version) is an imaginary character who appears in the book Sherlock Sammy Does it Again. He is a child detective who figures out mistakes in crimes and reveals them, making the criminal look like an idiot. He only appears because Greg says he is using Sammy's book for a book report. He even said he used the same exact book for five years straight.

Trivia

 * In Rodrick Rules, Sherlock Sammy has a striped shirt, but in the online book and on the badge (displayed below), he has a black shirt.
 * He is probably named after Sherlock Holmes because resemblence of what he does.
 * His reference at Diary of a Wimpy Kid: The Last Straw page 57.
 * His name is Enyclopedia Brown in the online version.