 Dunnigan, along with Tig Notaro and David Huntsberger, co-hosted the podcast "Professor Blastoff" on the Earwolf network until July 21, 2015.The podcast ended when co-host Tig decided to leave the show, having earlier given her four-month notice.He is a regular guest on "The Howard Stern Show" where he does celebrity impersonations of Caitlyn Jenner, Donald Sterling, Bill Maher, Hashtag Guy, Donald Trump, and Perez Hilton.