Siobhan Thompson (born 29 July 1984) is a British-American sketch comedian and comedy writer. She is known for her work on the CollegeHumor Originals web series and has appeared in other programs such as Adam Ruins Everything and Broad City. She was also a staff writer for Adult Swim's Rick and Morty.
Dimension 20 Live: Gauntlet at the Garden
Misty Moore
2025
The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden
Self - Cast Member
2025
Dimension 20: Time Quangle
Rowan Berry · (2 episodes)
2024
Dimension 20: Time Quangle
Adaine Abernant · (2 episodes)
2024
Dimension 20: Time Quangle
Princess Rosamund du Prix · (1 episode)
2024
Dimension 20: Time Quangle
Ruby Rocks · (1 episode)
2024
Thousandaires
Self - Host · (1 episode)
2024
Smartypants
Self - Society Member · (1 episode)
2024
The Disruptors
Melissa
2024
The Legendary Rick Perry and the Art of Dimension 20
Self (archive footage)
2023
Dirty Laundry
Self - Guest · (1 episode)
2022
Dimension 20 Animated
Riva (voice) · (1 episode)
2021
Dimension 20 Animated
Ruby Rocks (voice) · (1 episode)
2021
Dimension 20 Animated
Princess Rosamund du Prix (voice) · (1 episode)
2021
Dimension 20 Animated
Adaine Abernant (voice) · (1 episode)
2021
Dimension 20's Adventuring Party
Self · (126 episodes)
2020
Game Changer
Self - Contestant · (2 episodes)
2019
Game Changer
Self (archive footage) · (1 episode)
2019
Game Changer
The Voicemail Musical · (1 episode)
2019
Fantasy High: Extra Credit
Self · (1 episode)
2019
Troopers: Rise of the Budget
TR-45HY "Trashy" (voice) · (9 episodes)
2019
The Rank Room
Self · (5 episodes)
2019
Total Forgiveness
Self · (2 episodes)
2019
WTF 101
Amsterdam Woman (voice) · (1 episode)
2019
WTF 101
Mary Toft (voice) · (1 episode)
2019
Adventuring Academy
Self · (1 episode)
2018
Um, Actually...
Self - Contestant · (11 episodes)
2018
Dimension 20: Fantasy High
Adaine Abernant · (57 episodes)
2018
Dimension 20
Adaine Abernant · (57 episodes)
2018
Dimension 20
Ruby Rocks · (17 episodes)
2018
Dimension 20
Imelda Pulse · (6 episodes)
2018
Dimension 20
Riva · (18 episodes)
2018
Dimension 20
Jaysohn · (10 episodes)
2018
Dimension 20
Princess Rosamund du Prix · (20 episodes)
2018
Dimension 20
Misty Moore / Rowan Berry · (17 episodes)
2018
Dimension 20
Iga Lisowski / Rowan Berry · (18 episodes)
2018
Dimension 20
Vanellope Chapman · (20 episodes)
2018
Breaking News: No Laugh Newsroom
O.K. Simpson · (1 episode)
2018
Breaking News: No Laugh Newsroom
Jessica Crispy · (1 episode)
2018
CollegeHumor Does the Purge
Siobhan · (4 episodes)
2016
Bad Internet
The Hermione · (1 episode)
2016
Bad Internet
(2 episodes)
2016
CollegeHumor Goes to Hell
Siobhan · (3 episodes)
2015
Um, Actually: The Web Series
Self - Contestant · (2 episodes)
2015
Broad City
Leigh · (1 episode)
2014
Arrested Development
British Reporter · (1 episode)
2003