Pizza Bros is written by Ryan and Jessie Callahan. They are a husband and wife writing/animation team. Pizza Bros is based on their real life experiences working in the restaurant industry and working for corporate restaurants.
Ryan is the illustrator and one of the two writers of Pizza Bros. You may know him by his alter-ego: Chef Ryan Callahan, where he writes cookbooks and works with cancer fighters and their caregivers. Ryan writes Steve, Blake McMannis, Riley, Bill, Elliott Daily, and provides the voice of the customers.
Is the co-writer of Pizza Bros, she also provides the main insights into the personalities of a few of the main characters. These are of course The Founder, Dennis, Beth, and Jenny. Jessie comes from a broadcasting background and says that she likes to think of Pizza Bros not as a comic book, but as a printable Sit-Com.