He has also been known for his work on Adult Swim shows, including his Dinner with Brett Gelman specials.
However, the actor recently made headlines for publicly severing ties with Adult Swim, partly because of its support for the show Million Dollar Extreme: World Peace, and partly over allegations the company is overly misogynist in its business practices.
Brett Gelman has been a part of eight different TV shows in 2016 alone, including regular roles on Another Period and Fleabag, as well as other appearances on Blunt Talk, High Maintenance and Love.