Franklin is described as ambitious, but perhaps to a fault, and very eager to take on new illegal challenges. He is also described as calm, smart, rational and a "logical way of showing a young man with a lot of hope", with Dan Houser claiming that this would be a nice contrast from Michael. He is also a person that, even though he's being mentored by Michael in crime, mentors Michael in life. This helps build up the Father-Son relationship between the two, in contrast to their own actual father