David Hornsby
Acting
David Alan Hornsby (born December 1, 1975) is an American actor, screenwriter, and producer. He is best known for a recurring role as defrocked priest Matthew "Rickety Cricket" Mara on the FX comedy series It's Always Sunny in Philadelphia, for which he also writes and co-produces. Hornsby also had a regular role on the NBC comedy-crime series Good Girls (2018–2020). He is also the voice of Fanboy in the Nickelodeon animated TV series Fanboy & Chum Chum.
Known for
Acting38
tvThe Hawk
2026
Radford
movieMerry Little Batman
2023
The Joker / Fireman (voice)
tvBattle Kitty
2022
Mole Monster (voice)
tvMythic Quest
2020
David Brittlesbee
tvGood Girls
2018
Leslie 'Boomer' Peterson
tvBaskets
2016
Pastor
tvWe Bare Bears
2015
Harry / Additional Voices (voice)
movieEarmouse and Bottle
2014
Earmouse
tvThe Goldbergs
2013
Kyle Schnitz / Kyle
tvUnsupervised
2012
Joel Zymanski (voice)
tvHow to Be a Gentleman
2011
Andrew Carlson
tvNew Girl
2011
Ed Warner
tvFanboy and Chum Chum
2009
Fanboy (voice) / Fanbot (voice)
tvRandom! Cartoons
2008
Fanboy / Kid #2 (voice)
moviePretty Bird
2008
Kenny Owenby
movieFanboy
2008
Fanboy (voice) / Kid #2 (voice)
tvDirt
2007
Harold Beckman
movieFlags of Our Fathers
2006
Louis Lowery
tvThe Unit
2006
Ricky
tvBones
2005
Father Harrow
tvIt's Always Sunny in Philadelphia
2005
Matthew 'Rickety Cricket' Mara
movieChristmas with the Kranks
2004
Randy Becker
The Mullets
2003
Denny Mullet
movieMinority Report
2002
Pre-Crime Public Service Announcer
tvSix Feet Under
2001
Patrick
moviePearl Harbor
2001
Flyer with Murmur
tvER
1994
Strauss
Production4
tvSide Quest
2025
Executive Producer
tvMythic Quest
2020
Executive Producer
movieA Very Sunny Christmas
2009
Co-Executive Producer
tvIt's Always Sunny in Philadelphia
2005
Supervising Producer, Executive Producer, Co-Executive Producer
Writing4
tvMythic Quest
2020
Writer
movieThe Layover
2017
Screenplay
Creator2
tvUnsupervised
2012
Creator
tvHow to Be a Gentleman
2011
Creator
Directing1
tvMythic Quest
2020
Director