Bigger! With Brennan and Izzy

Brennan Lee Mulligan (born January 4, 1988) is an American comedian, actor, writer, and gamemaster. He often works with Dropout (formerly CollegeHumor) as a writer, performer, and producer. He is the creator and regular gamemaster for Dropout's actual play series Dimension 20 as well as the dungeon master for the first campaign of the creator-owned actual play podcast Worlds Beyond Number and the fourth campaign of the actual play web series Critical Role. He also wrote the superhero webcomic Strong Female Protagonist alongside artist Lee Knox Ostertag.