Brennan Lee Mulligan is an American writer, comedian and performer best known for his work as a sketch writer on CollegeHumor and his role as a game master for the web series Dimension 20. Born under the sign of the hardworking and ambitious Capricorn on January 4, 1988, he has made a name for himself in the comedy world. With a sharp wit and an eye for detail, he has been making audiences laugh for years. Whether he’s crafting hilarious sketches or playing a masterful game of Dungeons & Dragons, Brennan Lee Mulligan is one to watch.