
Biography
Brennan Lee Mulligan is an actor and writer known for Dimension 20, College Humor, and Strong Female Protagonist.
Acted in 38
2020s
- 2026
American Woodcock
Birding Man (voice)
Muppet Treasure Scriptland
Long John Silver
Wealwell's Guide to Reposed Standing
Wealwell Gotch (voice)
Dimension 20 Live: Viva Más Vegas
Game Master
- 2025
Dimension 20 Live: Quangle Quest
Game Master
Dimension 20 Live: Battle at the Bowl
Game Master
D(e)ad
Owen from Science Care
Dimension 20 Live: Gauntlet at the Garden
Game Master
Wildemount Wildlings
Padmund Pondhop · 3 episodes
- 2024
Dimension 20: Time Quangle
Game Master · 6 episodes
Dimension 20 Live
TV
Chris Grace: As Scarlett Johansson
Brennan Lee Mulligan
- 2023
- 2022
Exandria Unlimited: Calamity
Game Master
- 2021
Dimension 20: Misfits and Magic Holiday Special
Evan Kelmp
Battle for Beyond
Nikhil · 5 episodes
Dimension 20 Animated
Sir Keradin Deeproot / Commander Constano Grissini (voice), Plug Strutt (voice), Arthur Aguefort / Mr. Gibbons (voice), Baron from the Baronies (voice), Lucretia "Lucy" Brockhollow (voice), Bazathrax (voice), Vercadian Protector Droid (voice), Sir Morris Brie (voice), Bird (voice), Donal / Augbert (voice), Announcer / Old Pirate / Garthy O'Brien / Trixie (voice), Evan Kelmp (voice), Big Gun Barry Nyne (voice) · 1 episode
Exandria Unlimited
Game Master · 8 episodes
2010s
- 2019
Ultramechatron Team Go!
Galatax · 10 episodes
Kingpin Katie
Brennan Lee Mulligan · 4 episodes
Troopers: Rise of the Budget
Gooby (voice), IT-1 · 4 episodes
Downbeat
Tourist · 1 episode
Restroom
Movie
WTF 101
Gregor MacGregor (voice) · 1 episode
- 2018
Ultramechatron Team Go!: The Web Series
Jorthog, Crab, Manila Gorilla, Galatax · 1 episode
Liverspots and Astronots
Lancery · 21 episodes
Cartoon Hell
Cutter (voice), Warrior / Boy (voice), Waiter / Starch Angel Gabriel (voice), Trundle (voice), Scientist (voice), Mr. Peterson (voice), Skully (voice), King Mannybabies (voice), Wrong Kong (voice), Hell-O Daddy (voice) · 1 episode
A Message From the CEO
Matt Stool / JUUL CEO, Rob Shelf / Venmo CEO, Jonathan Floor / MoviePass CEO, Harry Pancake / Tumblr CEO, Dan Spoon / GoFundMe CEO, Brian Hat / ABC CEO, Landon Bablandananavan / Skype CEO, Carl Box / Oreo CEO, David Taylor / Tide CEO, Mark Hardstart / Midland Park Hardware Owner · 1 episode
- 2017
Crown Prince
Bartender
Fallen For You
Todd
- 2016
Nancy
Movie
Bev
Bev
- 2015
Wrote 12
2020s
- 2026
Dimension 20 Live: Viva Más Vegas
Writer
- 2025
Dimension 20 Live: Quangle Quest
Writer
Dimension 20 Live: Battle at the Bowl
Writer
Dimension 20 Live: Gauntlet at the Garden
Writer
- 2024
Bigger! With Brennan and Izzy
Writer
- 2023
Foul Play
Writer
- 2022
Exandria Unlimited: Calamity
Writer
2010s
- 2019
Gods of Food
Writer
Troopers: Rise of the Budget
Writer
- 2018
A Message From the CEO
Writer
- 2017
Fallen For You
Writer
Produced 10
2020s
- 2026
Dimension 20 Live: Viva Más Vegas
Executive Producer
- 2025
Dimension 20 Live: Quangle Quest
Executive Producer
Dimension 20 Live: Battle at the Bowl
Executive Producer
D(e)ad
Executive Producer
Dimension 20 Live: Gauntlet at the Garden
Executive Producer
The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden
Executive Producer
- 2024
Dimension 20: Time Quangle
Executive Producer
- 2021
Dimension 20: Misfits and Magic Holiday Special
Executive Producer
2010s
- 2019
- 2018
Other crew 9
2020s
- 2026
Wealwell's Guide to Reposed Standing
Additional Writing
Dimension 20 Live: Viva Más Vegas
Creator
- 2025
Dimension 20 Live: Quangle Quest
Creator
Dimension 20 Live: Battle at the Bowl
Creator
Dimension 20 Live: Gauntlet at the Garden
Creator
- 2021
Dimension 20: Misfits and Magic Holiday Special
Creator
2010s
- 2017
Fallen For You
Creator
- 2010
Created 7
2020s
- 2024
Dimension 20: Time Quangle
Creator
Dimension 20 Live
Creator
- 2020
2010s
- 2019
Fantasy High: Extra Credit
Creator
- 2018
A Message From the CEO
Creator
Directed 1
2020s
- 2022
Exandria Unlimited: Calamity
Director
Appearances33
2020s
- 2026
Dropout Presents an Improvised Reunion for a Movie that Doesn’t Exist
Self
Tale Gate
Self · 1 episode
- 2025
Critical Role Live: Oaths & Ash
Self
The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden
Self - Creator of Dimension 20 / Game Master / Dungeon Master
Katie and Erika Throw The Perfect (Valentine’s Day) Party
Self
- 2024
Game Changer Animated
Self (voice) · 2 episodes
In Tandem with Chloe Radcliffe
Self · 1 episode
Bigger! With Brennan and Izzy
Self
Monét's Slumber Party
Self - Party Guest · 1 episode
Thousandaires
Self - Guest (voice) · 1 episode
- 2023
The Legendary Rick Perry and the Art of Dimension 20
Self
The Ultimate Improv Show
Self · 1 episode
- 2022
- 2021
The Candlenights 2021 Special
Self
- 2020
2010s
- 2019
Fantasy High: Extra Credit
Self - Host · 4 episodes
The Rank Room
Self · 2 episodes
Total Forgiveness
Self · 8 episodes
- 2018
The Rank Room: The Web Series
Self · 1 episode
- 2015
Um, Actually: The Web Series
Self - Contestant · 2 episodes
Thanked in the credits1
2020s
- 2026
Crossed Animals
Thanks