Collin Lee

Collin Lee is a boy and Rowley's friend. He is depicted as being overweight in the book series.

In the online book, Collin Lee has an identical appearance to Alex Aruda, and he takes up much of Rowley's significant roles, such as when Rodrick was tutoring Greg and Rowley how to play the drums.

Collin is played by Alex Ferris in the movie.