Give some stream of consciousness and then the answer. Devon Bostick (born November 13, 1991) is a Canadian actor best known for playing the lead role of Simon in the Atom Egoyan directed film Adoration, Brent in Saw VI, Rodrick Heffley in the first three Diary of a Wimpy Kid movies and Jasper Jordan on The CW show The 100 from 2014 to 2017.

Based on this passage, the guy who plays rodrick in diary of a wimpy kid?
To answer this question, we should know that: Devon Bostick (born November 13, 1991) is a Canadian actor best known for playing the lead role of Simon in the Atom Egoyan directed film Adoration, Brent in Saw VI, Rodrick Heffley in the first three Diary of a Wimpy Kid movies and Jasper Jordan on The CW show The 100 from 2014 to 2017.
Therefore, the answer is Devon Bostick.