
Geoffrey Lazer Ramsey (born Geoffrey Paul Fink; June 19, 1975 in Mobile, Alabama) is an American independent filmmaker, actor and voice actor, producer, writer, show and podcast host, content producer, comedian, as well as an Internet and YouTube personality who is best known for being the co-founder and prominent staff member of Rooster Teeth and Achievement Hunter. He is known for being very competitive and apparently always willing to prove fellow staff member Burnie Burns wrong. Ramsey voices character Dexter Grif in Red vs. Blue and Red vs. Blue: The Blood Gulch Chronicles and was a very popular character with his fans. He is also the co-founder of Achievement Hunter. He resides in Austin, Texas with his wife and fellow Rooster Teeth employee (until November 2011) Griffon Ramsey, and their daughter Millie.

Red vs. Blue: Restoration
Grif (voice)
2024

F**KFACE Regulation Animation
Self · (12 episodes)
2022

Camp Betrayal
Himself · (1 episode)
2021

Hardcore Mini Golf
(8 episodes)
2020

Last Laugh
Himself · (6 episodes)
2020

Chump
Self · (1 episode)
2019
Achievement Hunter: The Musical
Self
2019

Ready Set Show
Self · (1 episode)
2019

Waiting for the Punchline
Self
2019

Blood Fest
Guns
2018

Why We’re Here: 15 Years of Rooster Teeth
Self
2018

Unconventional
Himself
2017

Bill Nye Saves the World
Rooster Teeth · (1 episode)
2017

The Tattooist
Himself
2017
Relationship Goals
Co-Host · (1 episode)
2017

Burnie Vlog
Self · (4 episodes)
2017

The Eleven Little Roosters
Boomerang Geoff · (8 episodes)
2017

Let's Play - Uno : The Movie
Himself
2016

Theater Mode
Himself · (80 episodes)
2016

Let's Play Live: The Documentary
Himself
2015

RT Docs
Self · (3 episodes)
2015

Rooster Teeth Shorts - Volumes 4 & 5
2015

The Best of Rooster Teeth Animated Adventures 2
Himself
2015

X-Ray and Vav
Corpirate · (4 episodes)
2014

On the Spot
Self · (1 episode)
2014
Happy Hour
(11 episodes)
2014

Play Pals
Self · (14 episodes)
2014
Achievement Hunter - VS
(28 episodes)
2013

Fails of the Weak: Halo Edition
2013

The Best of Rooster Teeth Animated Adventures
Himself
2013

Let's Play Minecraft
Master Chief · (527 episodes)
2012

The Best Red vs. Blue. Ever. Of All Time
Grif (voice)
2012

Rooster Teeth Shorts: Volume Three
Geoff
2011

Rooster Teeth Animated Adventures
Self / Self (voice) · (3 episodes)
2011

Rooster Teeth Animated Adventures
Self (voice) · (92 episodes)
2011

Rooster Teeth Animated Adventures
Self (voice) / Tow Truck Driver (voice) · (1 episode)
2011

RT Life
Self · (25 episodes)
2011

O Brave New World
Self
2011

Immersion
Lab Rat · (14 episodes)
2010

Rooster Teeth Shorts: Volume Two
Geoff
2010

Rooster Teeth Shorts: Volume 1
Geoff
2009

RT Shorts
Self · (1 episode)
2009

Red vs. Blue
Pvt. Dexter Grif · (351 episodes)
2003