Movies:
* "The Rugrats Movie" (1998): As the voice of "Tommy Pickles," his breakout role. He reprised the role in all the sequels.
* "Rugrats in Paris: The Movie" (2000): As Tommy Pickles.
* "Rugrats Go Wild" (2003): As Tommy Pickles.
* "The SpongeBob SquarePants Movie" (2004): As "Squidward Tentacles."
* "The Ant Bully" (2006): As "Zoc."
* "Beverly Hills Chihuahua" (2008): As "Papi."
* "The Secret Life of Pets" (2016): As "Buddy."
* "Ferdinand" (2017): As "Angus."
* "The Secret Life of Pets 2" (2019): As "Buddy."
* "The Mitchells vs. the Machines" (2021): As "The Pal."
* "Paws of Fury: The Legend of Hank" (2022): As "Jimbo."
Television:
* "The Rugrats" (1991-2004): As Tommy Pickles.
* "Rocko's Modern Life" (1993-1996): As "Filburt."
* "The Fairly OddParents" (2001-2017): As "Timmy Turner's Dad."
* "Family Guy" (1999-present): He's voiced various characters over the years, including "Cleveland Brown."
* "American Dad!" (2005-present): He's voiced various characters, including "Stan Smith" in a few episodes.
* "The Simpsons" (1989-present): He's voiced various characters, including "The Mayor" in a few episodes.
* "The Amazing World of Gumball" (2011-2019): As "Richard Watterson."
* "Robot Chicken" (2005-present): He's voiced various characters.
* "The Looney Tunes Show" (2011-2014): As "Daffy Duck" in a few episodes.
* "The Powerpuff Girls" (2016-2019): As "Narrator"
* "The Casagrandes" (2019-present): As "Sergio."
Live-Action:
* "Reno 911!" (2003-2009): He played the role of "Deputy Carlos" in the Comedy Central series, one of his most well-known live-action roles.
* "Nacho Libre" (2006): He played a small role as "The Luchador."
* "The Haunted Hathaways" (2013-2015): He played the role of "Ray."
* "WeCrashed" (2022): He played the role of "Andrew" in the Apple TV+ series.
This is not an exhaustive list, as he has appeared in many other projects. He is known for his comedic timing and ability to bring a wide range of characters to life.