Brennan Lee Mulligan
American writer
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| October 2025 | Scheduled to be the Dungeon Master for the Endless Dungeon tour in Australia |
| 2025 | Brennan Lee Mulligan appears in the production 'D(e)ad', playing the role of Owen |
| August 2025 | Scheduled to conclude the first Worlds Beyond Number campaign |
| August 2025 | Announced as the new Game Master for Critical Role's fourth campaign, replacing Matthew Mercer |
| August 2025 | Variety reported Mulligan struck a new three-year development deal with Dropout. |
| August 2025 | Completed the first campaign of Worlds Beyond Number, which ran for four seasons |
| July 14 2025 | Posted a humorous 'departure' announcement on Dropout's social media as part of a sketch on Game Changer's 7th season, 8th episode titled 'Fool's Gold' |
| 2025 | Brennan Lee Mulligan voices the character Parker Bradley in the project 'Date Everything!' |
| 2025 | Brennan Lee Mulligan plays the character Padmund Pondhop in 'Wildemount Wildlings' for 3 episodes |
| 2025 | His series 'Dungeons and Drag Queens' won 'Best Web Series' at the Queerty Awards. |
| 2025 | Scheduled to be Dungeon Master for Exandria Unlimited: Divergence |
| February 13 2025 | Served as Dungeon Master for Exandria Unlimited: Divergence |
| 2024 | Became Dungeon Master for Critical Role (campaign 3), appeared in Bigger! With Brennan and Izzy improv special, and featured in 99% Invisible podcast episode |
| 2024 | Continued as Dungeon Master for Critical Role's third campaign, appeared in The Adventure Zone: Abnimals, and featured in the improv special Bigger! With Brennan and Izzy |
| 2024 | Returned to Critical Role as Dungeon Master for the three-part special 'Downfall' in the show's third campaign |
| January 23 2024 | Mulligan announced the birth of his first child, a daughter, on the Patreon for the podcast Worlds Beyond Number. |
| 2023 | Served as a writer for Foul Play, an interactive murder mystery series created by Andrew Barth Feldman and Alex Boniello. |
| August 2023 | During the 2023 Writers Guild of America and SAG-AFTRA strikes, Mulligan led a Dungeons & Dragons-themed picket day at Universal Studios, featuring AMPTiamat as the final boss. |
| April 1 2023 | Brennan Lee Mulligan married Izzy Roland. |
| March 1 2023 | Launched Worlds Beyond Number podcast, which quickly became one of the top 20 Patreon accounts globally |
| January 2023 | Announced as a star of the creator-owned actual play podcast Worlds Beyond Number, alongside Erika Ishii, Aabria Iyengar, and Lou Wilson |
| 2022 | Hosted Make Some Noise, appeared in Critical Role one-shots, and served as Dungeon Master for Exandria Unlimited: Calamity |
| May 26 2022 | Served as Dungeon Master for Exandria Unlimited: Calamity, a four-part actual play web series spin-off of Critical Role |
| 2021 | Performed voice roles in multiple shows including Hello from the Magic Tavern and appeared as Adrian Clairmont in L.A. by Night |
| January 21 2021 | Mulligan announced his engagement to Izzy Roland via Instagram. |
| 2020 | Concluded writing for the Um, Actually game show on Dropout. |
| 2019 | Won a Webby Award in the 'Comedy: Shortform' category for his CollegeHumor skit 'Tide CEO: You Gotta Stop Eating Tide Pods'. |
| 2019 | Served as Game Master for The Adventure Zone: The Dadlands |
| 2019 | Started hosting Game Changer and Adventuring Academy, becoming an executive producer of Game Changer |
| 2019 | Continued appearing in supporting roles on Adam Ruins Everything, concluding his appearances on the show |
| 2018 | CollegeHumor's streaming service Dropout launched Um, Actually as a game show, with Mulligan continuing to write for the show. |
| 2018 | Brennan Lee Mulligan began appearing in supporting roles on the TV show Adam Ruins Everything, including episodes about music and guns |
| 2018 | Became an executive producer, writer, and gamemaster for Dimension 20 on Dropout streaming platform |
| 2017 | Joined CollegeHumor as a writer for Um, Actually: The Web Series. |
| 2017 | Started appearing in CollegeHumor Originals and released the pilot for Fallen For You on YouTube |
| December 14 2017 | Premiered on CollegeHumor with the show 'Who's the Real Cop?' |
| 2015 | Performed voice role as Tyler in the Locke & Key audio drama |
| 2015 | Strong Female Protagonist won an Autostraddle Comic and Sequential Art Award. |
| November 2015 | Brennan Lee Mulligan was a contestant on the American version of Who Wants to Be a Millionaire and won money after incorrectly answering a question. |
| 2012 | Co-created the webcomic Strong Female Protagonist with Molly Ostertag, which was named one of io9's Best New and Short Webcomics. |
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