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1969 · як Henry
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1981 · як Santa Claus / Doctor (voice)
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1981 · як Special Vocal Effects (voice) (uncredited)
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1982 · як Additional Dialogue Replacement (voice)
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1983 · як Cujo (voice; uncredited)
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1984 · як Special Vocal Effects (voice)
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1986 · як Soundwave / Megatron / Rumble / Frenzy / Wheelie (voice)
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1986 · як Toby the Dog / Felicia the Cat (voice) (uncredited)
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1988 · як Sharptooth (voice) (uncredited)
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1988 · як Demon Angela Voice (Uncredited)
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1988 · як Louie the Sausage Vendor (voice)
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1988 · як The Gopher (voice)
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1988 · як Dumbo (voice) (uncredited)
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1989 · як Max (voice) (uncredited)
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1990 · як Joanna / Marahute (voice)
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1990 · як Squeep / Grungees (voice)
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1990 · як Mohawk (voice)
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1991 · як Rahzar / Tokka (voice)
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1991 · як Footstool (voice)
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1991 · як Alien Gen. Suitor (voice) (uncredited)
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1991 · як Sharak / Kodo / Podo / Ruh (voice)
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1991 · як The Devil/Station/Evil Easter Bunny (voice) (uncredited)
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1992 · як Whiskers (voice) (uncredited)
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1992 · як Abu / Cave of Wonders / Rajah (voice)
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1993 · як Special Vocal Effects (voice)
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1994 · як Horror (voice)
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1994 · як Abu (voice)
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1994 · як Lions Roars (voice) (uncredited)
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1994 · як Phurba (voice)
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1994 · як Special Vocal Effects (voice)
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1995 · як Flit (voice)
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1995 · як Velociraptor (voice)
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1995 · як Grizzly Bear (voice)
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1995 · як Special Vocal Effects (voice)
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1995 · як Bigfoot (voice)
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1995 · як Deer (voice)
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1995 · як Alien Sil (voice)
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1995 · як Special Vocal Effects (voice)
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1995 · як Special Vocal Effects (voice)
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1996 · як Baby Bird (voice)
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1996 · як Charles the Dog (voice)
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1996 · як Various Martians (voice)
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1996 · як Special Vocal Effects (voice)
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1997 · як Anaconda (voice)
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1997 · як Phillippe / Sultan (voice)
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1997 · як The Devil Malebolgia (voice)
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1997 · як Special Vocal Effects (voice)
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1998 · як Fred Jones (voice)
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1998 · як Ayden (voice)
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1998 · як Khan / Additional Voices (voice)
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1998 · як Spike / Monkeys / Scar Snout (voice) (uncredited)
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1998 · як Creature Vocals (voice)
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1999 · як Fred (voice)
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1999 · як Herman Melville (voice)
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1999 · як Parrot Sounds (voice)
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1999 · як Bullseye / Buster (voice) (uncredited)
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2000 · як Altivo (voice)
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2000 · як Additional Voices (voice)
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2000 · як Woof / Ace (voice)
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2000 · як Max (voice)
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2000 · як The Python (voice)
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2000 · як Max the Dog (voice)
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2001 · як Goddard / Poultra (voice)
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2001 · як Buddy (voice)
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2002 · як Jerry (Voice)
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2002 · як Fred Jones (voice) (archive footage)
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2002 · як Lucifer / Bruno / Pom Pom (voice)
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2002 · як Achilles & Djali (voice)
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2003 · як Scooby-Doo / Fred (voice)
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2003 · як Obby / Mantell (voice)
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2003 · як Spike (voice) (uncredited)
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2003 · як Additional Voices (voice)
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2003 · як Scooby-Doo (voice)
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2004 · як Scooby-Doo / Fred Jones / Lachlan Haggart (voice)
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2004 · як Additional Voices (voice)
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2004 · як Cri-Kee (voice)
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2004 · як Reinaldo (voice)
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2004 · як Purse Monster (voice) (uncredited)
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2004 · як Additional Voices (voice) (uncredited)
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2005 · як Scooby-Doo / Fred Jones / Wiki-Tiki / Interviewer (voice)
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2005 · як Spike (voice)
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2005 · як Velociraptor (voice)
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2005 · як Professor Otto Allenford (voice)
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2006 · як Scooby-Doo / Fred Jones (voice)
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2006 · як Spindle / Frog / Caterpillar (voice)
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2006 · як Additional Voices (voice)
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2007 · як Fred Jones / Scooby-Doo (voice)
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2007 · як Garfield / Keith / Prop Boy / Additional Voices (voice)
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2007 · як Lucifer (voice)
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2008 · як Scooby-Doo / Fred Jones (voice)
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2008 · як Animals' vocal effects (voice) (uncredited)
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2009 · як Fred / Scooby-Doo (voice)
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2009 · як Scooby-Doo (voice)
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2009 · як Momma Dino / Rudy (voice) (uncredited)
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2009 · як Mark Whitacre's Father
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2009 · як Soundwave / Devastator / Reedman (voice)
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2010 · як Scooby-Doo / Fred Jones (voice)
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2010 · як Fred / Scooby Doo (voice)
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2010 · як Scooby-Doo (voice)
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2010 · як Dragon (voice) (uncredited)
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2010 · як Bullseye / Buster / The Monkey / Pigeon (voice) (uncredited)
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2011 · як Scooby-Doo / Fred Jones / Msicellaneous Bikers (voice)
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2011 · як Scooby-Doo / Fred Jones (voice) (archive footage)
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2011 · як Scooby-Doo / Fred Jones (voice) (archive footage)
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2011 · як Azrael (voice)
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2011 · як Azrael (voice)
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2011 · як Bullseye (voice)
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2011 · як Shockwave / Soundwave (voice)
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2012 · як Scooby-Doo / Fred Jones (voice)
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2012 · як Scooby-Doo / Fred Jones / Dynomutt (voice)
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2012 · як Scooby-Doo / Fred (voice)
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2012 · як Fred Jones / Scooby-Doo (voice)
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2012 · як Higgens / Bull (voice)
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2012 · як Sparky (voice) (uncredited)
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2012 · як Sonya (voice)
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2012 · як Mayor Stevenson / Weather Man (voice)
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2012 · як Mannequins / Beast (voice)
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2013 · як Scooby-Doo / Fred (voice)
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2013 · як Megatron / Terrorcon (voice)
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2013 · як Azrael (voice)
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2013 · як Mayor Stevenson (voice)
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2013 · як Azrael (voice)
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2014 · як Fred Jones / Scooby-Doo (voice)
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2014 · як Fred / Scooby-Doo (voice)
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2014 · як Galvatron (voice)
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2014 · як Mochi (voice) (uncredited)
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2015 · як Scooby-Doo / Fred Jones (voice)
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2016 · як Scooby-Doo / Fred Jones (voice)
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2017 · як Sven (voice)
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2017 · як Azrael (voice)
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2017 · як Megatron (voice)
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2019 · як Cave of Wonders (voice)
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2020 · як Scooby-Doo / Pterodactyl (voice)
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2021 · як Additional Voices (voice)
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2022 · як Scooby-Doo / Rudy / Fred / Nefario (voice)
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2023 · як Scooby-Doo / Fred Jones (voice)
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2023 · як Abu / Joanna (voice) (archive sound)