Question: Detective Eric Matthews, (originally scripted to be named Eric Mason) is a fictional character from the "Saw" franchise, he officially appears in which 2005 American horror film, a sequel to 2004's "Saw" and the second installment in the "Saw" franchise, directed and co-written by Darren Lynn Bousman and series creator Leigh Whannell?
Sentence (from "Eric Matthews (Saw)"): He officially appears in "Saw II", "Saw III", and "Saw IV".
Relevant evidence: Yes