Often collaborates with animator Joe Murray, voicing Rocko in Rocko's Modern Life and Lazlo and Clam in Camp Lazlo. He is best known as Denzel Q. Crocker, Dinkleberg, and Juandissimo Magnifico from The Fairly OddParents!. He has also voiced the titular protagonist of the first game in the Spyro the Dragon series (later games and TV series would have the role taken over by (in order) Tom Kenny, Jess Harnell, Elijah Wood (for the Legend trilogy), Josh Keaton and Matthew Mercer (for the Skylanders games) and Justin Long (for the Skylanders Academy TV series)), the Taco Bell chihuahua, Rikochet in the first two seasons of ¡Mucha Lucha! and Mr. Weed (the head of the "Happy Go Lucky" toy factory) on the early episodes of Family Guy which showed Peter as a toy factory worker (as opposed to the later episodes where he works at the Pawtucket Patriot Beer factory and a multitude of other, short-lived jobs).
Other notable roles include The Life and Times of Juniper Lee where he played Monroe, a guardian dog with a Scottish accent, Salty Mike from Squirrel Boy, Walden in Wow! Wow! Wubbzy!, Nestor in Happy Feet, Tonraqnote and the Equalist protestor in The Legend of Korra, Bane in Justice League: Doom, and El Chupacabra in Planes. He also serves as Disney's go-to guy to voice Mike Wazowski from the Monsters, Inc. franchise (originally voiced in both films and Monsters at Work by Billy Crystal) in its various spinoff media.
He is also known for his live-action role as Deputy James Garcia on the Comedy Central series Reno 911!.
He is the father of voice acting newcomer Rylee Alazraqui.
Roles of Carlos Alazraqui
- The Taco Bell Chihuahua.
- Rocko and Spunky from Rocko's Modern Life
- Spyro in Spyro the Dragon (1998)
- Doctor No in Goldeneye Rogue Agent
- Various supporting characters in Hey Arnold!
- Winslow and Lube from CatDog
- Mr. Jonathan Weed from Family Guy (in seasons 1-3; Mr. Weed was originally voiced by Butch Hartman in the pilot)
- Wisk in The Life & Adventures of Santa Claus (2000)
- Denzel Crocker from The Fairly Oddparents, he also played the character in live-action in The Fairly OddParents: Fairly Odder
- Rikochet from ¡Mucha Lucha!
- Chivo, God of Dark Magic from Maya and the Three
- Deputy James Garcia from Reno 911!
- Monroe from The Life and Times of Juniper Lee
- Lazlo and Clam from Camp Lazlo
- Walden from Wow! Wow! Wubbzy!
- Salty Mike from Squirrel Boy
- Nestor from Happy Feet
- Scooter from SpongeBob SquarePants
- Felipe from Handy Manny
- Puma Loco from El Tigre
- Carlos Casagrande from The Loud House and The Casagrandes
- Tonraq from The Legend of Korra
- Bane in Justice League: Doom, Batman Unlimited: Mechs Vs. Mutants, and Batman vs. The Teenage Mutant Ninja Turtles
- Mesmo and Torts from Mixels
- El Chupacabra from Planes
- Mayor Temeroso from The Adventures of Puss in Boots
- Darc from Arc the Lad: Twilight of the Spirits
- General Posada and Chuy the pig in The Book of Life
- Skylar on Elena of Avalor
- Larry in Scooby-Doo! Shaggy's Showdown
- Golly Gopher in Out of Jimmy's Head
- Dr. Piquette on Vampirina
- Panchito on House of Mouse and Mickey and the Roadster Racers
- Gnarly The Troll, King Magnus, and Captain Vasquez on Sofia the First
- Malcolm on The Rocketeer
- Anton Trese on Trese
- Houston from Space Chimps and Space Chimps 2: Zartog Strikes Back
- Ernesto in Alice's Wonderland Bakery
- Wizard Vinebeard and additional voices in Where's Waldo? (2019)
- Admiral Les Buenamigo and the USS Aledo in Star Trek: Lower Decks
- Matias Torres in The Ghost and Molly McGee
- Scissors from Rock, Paper, Scissors