Because Spanish is widely spoken, please indicate the country of dubbing (if known). For reference, eldoblaje.com (Spain), doblaje.wikia.com (Latin America), and eldoblatge.com (Catalan) are preferred, as the Spanish Wikipedia has limited info on that language's voice actors.
: (Spain) Aaahh!!! Real Monsters Clifford the Big Red Dog, Gary Gygax, and Officer Jenny are monsters in training for Lex Luthor.
Adventure Time : (Mexico) The Adventures of Jimmy Neutron Matt (later Dudley Dursley) is a child inventor. His friends are Poupelin and Telulu. Matt/Dudley is rivaled by Dawn (sometimes Frankie Foster) and May Kanker. Mayor Quimby and Female Gollum are Matt/Dudley's parents.
: (Latin America) Planet Sheen Poupelin, who is now note Cody, goes into space, after taking Dudley's rocket. On the planet, Cody meets a creature who bears resemblance to Telulu, now Jude. He also befriends Dakota. Cody must avoid the emperor, who is the narrator of S-CRY-ed, and his daughter Blaineley. Jude's parents are Lust and Trent.
(Spain): Tails is a child inventor.
: (Spain) Adventures of Sonic the Hedgehog Eddie Munster (a fast blue hedgehog), with help from the fox Stan Marsh, protect Mobius from the original Homer Simpson and his bumbling robots ( Peter Griffin, and Barki).
: (Spain) The Adventures of Super Mario Bros. 3 John Zoidberg and Bumblebee Man have to protect Mrs. Turner as they fight Paul Kersey when he returns to wreak his vengeance on the Mushroom World, this time getting help from his children, including Waldorf, Dee-Dee and Dexter, and Ace Bunny.
: (Spain) A group of bears, consisting of Adventures of the Gummi Bears Gopher, Ma Ginger, Batman, Jackie Burkhardt, Coop, and Stan Marsh, help a squire named Ash Ketchum defend his home kingdom from a pack of ogres led by Tony Soprano.
American Dad! : (Mexico) The Angry Beavers Speedy Ceviche and Leonidas are brothers.
: Animaniacs Vlad Plasmius, Lydia Deetz, and Harley Quinn are a trio of cartoon characters who run amuck pestering people. Carface is a gangster pigeon, and Babs Bunny is a homeless cat.
Aqua Teen Hunger Force
Avatar: The Last Airbender (Chile) After 100 frozen years, Rudy Tabootie is woken by a young waterbender, Cheese, and her brother Slugsy. They journey around the world while being pursued by Sportacus and his uncle Master Yo, to defeat Sportacus' Magnificent Bastard sister Queen Rapsheeba, and their Evil Overlord father, Soundwave.
(Spain) After being frozen for 100 years, Jimmy is woken by a young waterbender, Miko Nakadai, and her brother Naruto. Together, along with Misty, they journey around the world while being pursued by Sly Cooper and his uncle, to defeat Sly's Magnificent Bastard sister Yin, and their Evil Overlord father, Professor Oak.
(Spain) The Legend of Korra Panini, the reincarnation of Jimmy, is mentored by Miko and Jimmy's son. Kyle and Dr. Blowhole are two brothers who befriend Panini.
: (Latin America) Camp Lakebottom Shawn, Leshawna, and Lightning attend a shoddy summer camp, where they are rivaled by Heather (Shawn's older sister) and Trent (their rival).
Camp Lazlo (Mexico) Numbuh One is a fun-going spider monkey who is at a summer camp run by Lucario.
(Spain) InuYasha is a monkey attending Camp Kidney, which is run by Data.
: (Spain) Five teenagers are given special rings. From Africa, Captain Planet and the Planeteers Superman ('48 series, re-dubbed) with the power of earth. From North America, Doug with the power of fire. From the Soviet Union/Eastern Europe, Sarah Sanderson with the power of wind. And from South America, Son Gohan with the power of heart. With the five powers combined they summon earth's greatest champion — Principal Pixiefrog!
: (Chile) ChalkZone Yang brings Yin to a world of chalk drawings, where they meet Yang's greatest drawing Prince Zuko.
The Cleveland Show : (Spain) Clifford the Big Red Dog Lenalee Lee adopts Syndrome, who grows to gigantic proportions due to Lenalee's love. Her parents decide to move to Birdwell Island, where Syndrome becomes friends with Beth Cooper, Jamie, and D.J. Meanwhile, Lenalee becomes friends with Lily Truscott and Angelica Pickles. Lenalee's neighbors are are Peter Pevensie and Harriet "Harry" Korn.
: (Spain) Codename: Kids Next Door King Julian, Freddy, Bella Swan, Clay, and Asajj Ventress are crime-fighting children.
: (Mexico) The Critic Maxwell Sheffield is New York's #3 film critic. He tries to do right by his son Rupert, but is often verbally abused by his makeup lady Sailor Jupiter and his boss Lumpy Space Princess (later Dennis Finch). He finds love with Tommy Pickles, and is good friends with Professor Utonium.
: (Spain) Cyberchase Kevin McAllister, Nurse Joy and Mia Lewis, along with their bird Jimbo, must stop Mad Max from destroying cyberspace.
Danny Phantom : (Spain) Darkwing Duck Legolas is an egotistical crime fighter who is joined in his adventures by his adopted daughter Ariel and his pilot sidekick Steve Stifler. He often fights film director Hellboy, crime lord Genma Saotome, electrician Garth, salesman-turned-hydrokinetic Woody, plant-loving scientist Hannibal Bean, and crazed toymaker Ace Ventura.
: (Spain) While Queen Dave the Barbarian Leela and King Jumba are away, Udrogoth is being supervised by their son Ray the firefly, his pet dragon Ickis), his sword Miranda Hobbes, his sisters Kitty Katswell and Jackie, and their uncle Rover Dangerfield. Their main enemy is the Dark Lord Dilbert!
: (Spain) Dexter's Laboratory Bart tries to keep Lisa out of his lab.
Doug (Latin America, Disney) Tino is a shy but sweet young boy who lives in Bluffington. His best friends are Ichigo and Sailor Mercury (whom Tino has a crush on). He is constantly bullied by Shrek. The town founder's ancestor's daughter, Lola Bunny, is also friends with him.
(Mexico, Nick) Brighton is a shy but sweet young boy who lives in Bluffington. His best friends are Joey Wheeler and Sailor Moon (whom Brighton has a crush on). He is constantly bullied by Numbuh Four. The town founder's ancestor's daughter, Fiona, is also friends with him.
(Spain) Wheeler lives in Bluffington.
: Drawn Together Frieza, Clotho, Pablo, Carmela Soprano, Scrooge McDuck, Clark Kent, Gaara, and Numbuh Three are picked to live in a house together on a TV reality show. Narrated by Ferris Bueller.
: (Spain) The Fairly Oddparents Littlefoot is a buck-toothed kid who is ignored by his parents Jérémie and Princess Peach and abused by an evil, ill-tempered teenager named Yumi. He gets through the day by making wishes to his fairy godparents, Mickey Mouse and Trixie, though they do not always work out as he hoped. Lotso, Littlefoot's teacher, frequently tries to capture the fairies, and Yumi's little sister Riley Daring is crushing on Littlefoot. He also likes to hang out with his friends Tricia Takanawa and Daxter, and is frequently visited by a muscular fairy named David Wallace.
Family Guy (Spain) Eddie Valiant, Dharma, Gaara, Claire Littleton, Rocko, and Mewtwo share a house. Jim Halpert, Guybrush Threepwood, and a fish out of water are Eddie's drinking buddies. Ellis Grey (later Bobby Hill) is Eddie's boss (replacing Red Forman), Candace is Mewtwo's ex, Marianne Thornberry (later Mildred Hubble) is Guybrush's wife, and Fang is an Alpha Bitch that torments Claire.
(Mexico) Ariel 2.0 used to be a Butt Monkey to Winnie the Pooh.
: (Latin America) Fanboy and Chum Chum Noah and Izzy are superhero wannabes.
: Fangface Dr. Ivo Robotnik is a teenage werewolf. Scuttle is a friend.
Foster's Home for Imaginary Friends (Mexico) Jérémie sends his imaginary friend, David Kawena, to a foster home where they meet the owners, Lupe Toucan and her grandmother, Dolly Levi. Other imaginary friends include Private, Marcus Fenix, Hovis, and Brock.
(Spain) Charlie Bucket sends his imaginary friend, Beast Boy, to a foster home where they meet the home's owners, Kelly Bundy and her grandmother, Sacajawea. Other imaginary friends include Chris McLean, Father, and The Chief.
: (Spain) Futurama Wendy Pleakley wakes up 1000 years into the future, where he meets Sharon Marsh, Petrie, Lucky Piquel, Todd Flanders, Cosmo, and Kakashi. Later, Lucky creates a cloned son named Zatch Bell!.
Jimmy Two-Shoes (Spain) Sokka is a fun-loving boy, even though he lives in a miserable town ruled by Cornfed Pig. Sokka hangs out with The Comedian, a slacking idiot, and the evil scientist Veronica Mars.
(Latin America, style) Chris is the new kid in Miseryville. He hangs out with Duncan, a slacking idiot, and an evil scientist Izzy.
Total Drama : (Spain) Johnny Bravo Mung Daal is an Elvis Impersonator who tries (and fails) to get women. The little girl next door, D.W., annoys him daily.
: (Spain) Johnny Test George Michael Bluth lives with his pet Megatron. George Michael's older twin sisters, Mallory Keaton and Lex Murphy, are scientists who have a crush on Rattrap. Their father is Gobber.
The Marvelous Misadventures of Flapjack : (Spain) Megas XLR Heimlich singlehandedly pilots a mech to victory against an army led by Daniel-san, while Elmer and Laa-Laa watch.
: (Mexico) The Mighty Ducks Ren Höek is the leader of a hockey team which also operates as a crimefighting team. His teammates include his younger brother Rex Powers, tough-as-nails girl Dana Barrett, former jewel thief Leo Aioria, tech genius Kat Hillard and Zen-inclined team muscle Rorschach. Along with their money-obsessed manager Mr. Potato Head, they fight against the Saurians, led by the evil overlord Captain Hero.
My Gym Partners A Monkey : (Spain) Mike, Lu & Og Courtney moves from the big city to an island.
My Dad The Rock Star
My Life as a Teenage Robot
My Little Pony: Friendship Is Magic (Spain) Poodle, Shiro Kabuto, Sam Manson, Yuka, Faye Valentine, and Korra are ponies. Poodle's brother is Aaron Samuels.
(Mexico) Darcy, the apprentice of Foxxy Love, is escorted by Rie Misumi to Ponyville, where Darcy befriends Mary Jane Watson, Sissy, Mulan, Princess Sally, and Young Gloria. Sally's sister Sakura Haruno, Little Bear, and Mary Jane's sister Olivia are the Cutie Mark Crusaders, seeking their talents while being bullied by Princess Bubblegum and Lilo. June becomes ZIM. Also, Candace is great and powerful. (Mary Jane's brother is Greymon.) Norbert is chief of a buffalo tribe. At the start of season 2, Mojo Jojo brought chaos, and Pearl replaced Darcy's sister Anna at her wedding to Captain America, Kim Possible is a ditzy Ensemble Darkhorse, Gaara and Pegasus Seiya are in the Canterlot elite.
The Penguins of Madagascar
Phineas and Ferb (Latin America) Edmund Pevensie and his step-brother George Little (later Otto Osworth) go on crazy adventures together while Edmund's sister, Helga tries to expose their plans to their parents. Young Franny is crushing on Edmund, while Helga crushes on Adam Lyon. Meanwhile, Luke Skywalker is a secret agent who, under the orders of Professor Rowan, stops the evil plans of Budd and his daughter Tigress.
(Spain) Justin Bieber (Never Say Never) and Randy Cunningham are step-brothers who make crazy inventions during the summer. Their sister, Trixie Tang, tries to tell on them to her parents, Vala Mal Doran and Captain Planet. Screech is Trixie's boyfriend, while Emily Elizabeth has Bieber fever. Meanwhile, Stanley Hudson tells the boys' pet platypus to stop the evil plans of Mr. Garrison and his daughter Hannah Montana.
: (Spain) The Pink Panther and Pals Justin Russo is trying to capture and eat Gene Belcher.
Scaredy Squirrel : (Spain) The Simpsons Uncle Scrooge (who later turns into Saddam Hussein) married Mrs. Crabtree. Their son is Gus, their daughter is the Black Canary (in video game), and their baby daughter isn't much.
South Park : (Spain) SpongeBob SquarePants Tinky Winky lives in a pineapple. His neighbors are Stimpy (later Grawp) and Knock Out, Kreacher and Soldier Sam are business rivals, and Amanda Bynes is from Texas.
: (Venezuela) Steven Universe Dawn, Gwen, Anne Maria and Poppy Cat are a group of Magical Girls. Dawn's father is Max.
: (Spain) Superman: The Animated Series Dexter's dad is the Man of Steel, who is sent to Earth by his parents The Fonz and Daphne, and after being adopted by Mr. Turtle and Elle Ewing, grows up to become a journalist at a major metropolitan newspaper with Yang and Grace, working for Professor Slughorn. As the Man of Steel, Dexter's dad has many enemies, including Hudson, Grim, Pennywise, Waylon Smithers, Buffy, and Goofy; but he has allies like Bubbie and police officers Ally McBeal and Carter Pewterschmidt.
: (Spain) Teen Titans Aladdin recruits a team of teenage superheroes to help him fight crime. This team includes Princess Bubblegum, Rei Ayanami, Jack Spicer, and Nick Stokes. They spend much time fighting their most dangerous enemy, Don Draper.
: (Spain) Leonardo, Donatello, Teenage Mutant Ninja Turtles (1987) Sideshow Bob, and the Riddler are trained by Master Black Panther (later Severus Snape). They team up against Grunkle Stan and Scuttle.
: (Spain) Teenage Mutant Ninja Turtles (2012) Gene Belcher, Carlos, Carl, and Shun are the apprentices of Wolverine. They often fight Batman.
: (Spain) After his home kingdom is destroyed, ThunderCats (2011) Kenai leads a team of survivors (including Togepi, Oliver Queen, and Rainbow Dash) as they fight evil on Third Earth.
Total Drama (Latin America) The Flash and Mr. Krabs (later Alejandro) gather 22 teenagers; including Yo (later Emma), Buzz Sawchuk, Samurai Jack, Coop, season 2 winner Beezy (later Pyro), Chase Young (temporarily Cyborg), Larry the Lobster, Roy Mustang, Tecna, Kenny, Rebecca, Bloom, Cheetara, Magnolia, Stephanie, Sheen Estevez, Eliza Thornberry (later Jenny) Henry, Lo, Batman, Flapjack, and season 1 winner Truman X (later Jude)
Arriving in season 3 are: Kimiko, George Ridgemount, and Boots. Bloom wins the world tour.
13 completely new teens arrive for season 4: Penelope Spectra, Musa, the mute guy, Dora, Jonesy Garcia, Damian Diaz, Team Killer Narwhal, Piggy, Lisa, Robin, Kat, Kelly, and season winner Superman.
During the All-Star season, Superman turns into Slade. Additionally, Robin and Kelly face off in the season finale.
Season 6 brings in new contestants, including Greg, Pelswick, The Annoying Orange, and Tootie.
(Spain) note Bugs Bunny is the host of a reality show with teenage contestants (including Jar-Jar Binks, Christy, Archie Johnson, Tuck, Aladdin, Bloo, Catwoman, Cartman, Deni, Mary-Jane Watson, Chandler Bing, Gwen Stacy, Little Suzy, Binky Barnes, and Mark Chang). Jar-Jar won the first season; Chandler reaches the season 2 finale, and Gwen fights a newcomer during the world tour.
(Catalan) Whitney Hagas Matsumoto and chef Adam Spitz host a reality show on a shoddy island with 22 teenage contestants (including Maddie, Mega Man, Hatsuharu, Nami, Luffy, Cindy Campbell, Penny, Carmen Cortez, Jack Spicer, Mayuri Kurotsuchi, Rei Ayanami and Mort). Mort won season one, while Nami wins season two.
: (Mexico) Transformers Prime Tai Lung's army of Autobots consists of Leonardo DiCaprio, Superman, Black Widow, Master Chief, and Saturn ( Batman was killed off early). The narrator of Pokémon leads the Decepticons Shining Armor, James Bond, Mordecai, and Kitty Katswell. This series' humans are the kids Sorcerer's Stone Harry Potter, Flicker, and Yumi Yoshimura, Harry's mom Fiona, Agent Obi-Wan Kenobi, and the evil Gendo Ikari. Season 1 culminates with a fight against a God of Evil named Indiana Jones.
T.U.F.F. Puppy U
: (Argentina) Wander over Yonder The definitive Ash Ketchum and Sylvia fight Chuckles the Silly Piggy and General Peepers.
: (Spain) The Weekenders Quincy, Sakura, Dib, and Tootie are a group of Californian teens who always make plans for their weekend activities.
: (Spain) What's New, Scooby-Doo? Doug Heffernan, Barb Wire, Envy, and WALL•E solve mysteries in their van with help from Goofy.
: (Spain) The Wild Thornberrys Peppa Pig can talk to animals. She travels the world with her father (a noted documentary director named Teal'c), her mother Kelly Taylor, and her brother Bobby Hill.
: (Spain) Wow! Wow! Wubbzy! Ayame, Meatwad, Oso and Baljeet are friends who have adventures in their town.