Well he was nominated for Best Newcomer at the 2016 Edinburgh Comedy Awards and Best Show at Australia Fringe World 2016, while he’s appeared on Sky1’s Don’t Stop Me Now.
He has also acted in Marvellous, Doctors and Skins. You can see him in action below:
If you enjoyed Brennan so much that you want to see him on tour, you’re also in luck! His 2017 UK tour sold out, but due to popular demand the run of live shows has been extended and he’s playing dates around the country in March, May and June this year.
Sign up to the Radio Times newsletter for the latest TV and entertainment news