1. Phil LaMarr
Most notable roles: Hermes Conrad in Futurama, Jack in Samurai Jack, Virgil Hawkins in Static Shock, Wilt in Foster's Home for Imaginary Friends, and Carver Descartes in The Weekenders.
Fun fact: Phil has said voicing Jack is "the easiest job in show business."
2. Tara Strong
Most notable roles: Timmy Turner in The Fairly OddParents, Dil Pickles in Rugrats, Bubbles in The Powerpuff Girls, Raven in Teen Titans, and Terrence in Foster's Home for Imaginary Friends.
Fun fact: Tara's first major role was the voice of Hello Kitty in Hello Kitty's Furry Tale Theater.
3. Rob Paulson
Most notable roles: Raphael in Teenage Mutant Ninja Turtles (1987), Pinky in Pinky and the Brain, Yakko in Animaniacs, Carl Wheezer in Jimmy Neutron, Jack Fenton in Danny Phantom, and P.J. Pete in Goof Troop.
Fun fact: Rob has a podcast where he talks about his experiences in voice acting called Talkin' Toons.
4. Dan Castellaneta
Most notable roles: Homer Simpson, Abe Simpson, Barney Gumble, Krusty the Clown, and countless others in The Simpsons, and Grandpa Phil and the Jolly Olly Man in Hey Arnold!.
Fun fact: Dan Castellaneta came up with Homer's "D'oh!" from Laurel and Hardy movies he watched as a kid.
5. Billy West
Most notable roles: Ren (Season 3—5) and Stimpy in The Ren & Stimpy Show, Doug Funnie and Roger Klotz in Doug, and Fry in Futurama.
Fun fact: West was a regular on The Howard Stern Show.
6. Hank Azaria
Most notable roles: Moe Szyslak, Comic Book Guy, Chief Wiggum, Carl Carlson, and many others on The Simpsons.
Fun fact: Professor Frink is his favorite character to voice.
7. Tom Kenny
Most notable roles: SpongeBob in SpongeBob SquarePants, Heffer Wolfe in Rocko's Modern Life, the Ice King in Adventure Time, the Mayor in The Powerpuff Girls, and Dog in CatDog.
Fun fact: He starred in the Smashing Pumpkins video for "Tonight, Tonight" alongside his wife.
8. John DiMaggio
Most notable roles: Bender in Futurama, Jake the Dog in Adventure Time, and Dr. Drakken in Kim Possible.
Fun fact: John's favorite episode of Adventure Time is when Jake becomes a dad.
9. Cree Summer
Most notable roles: Susie Carmichael in Rugrats, Elmyra Duff in Tiny Toon Adventures, Numbuh 5 in Codename: Kids Next Door, and Cleo the Poodle in Clifford the Big Red Dog.
Fun fact: Her favorite character to voice was Foxxy Love in Drawn Together.
10. Pamela Adlon
Most notable roles: Bobby Hill in King of the Hill and Ashley Spinelli in Recess.
Fun fact: Pamela Adlon played Toni Rutledge on The Red Foxx Show, but was quick replaced with Sinbad who played Byron Lightfoot.
11. Jim Cummings
Most notable roles: Darkwing Duck in Darkwing Duck, Dr. Robotnik in Sonic the Hedgehog, and Winnie the Pooh and Tigger in Winnie the Pooh.
Fun fact: Jim Cummings played the singing voice and laughed as Scar in The Lion King.
12. Elizabeth Daily
Most notable roles: Tommy Pickles in Rugrats, Buttercup in The Powerpuff Girls, and Rudy Tabootie in ChalkZone.
Fun fact: She is a singer as well and has released four albums since her debut in 1985.
13. Mel Blanc
Most notable roles: Bugs Bunny, Daffy Duck, Porky Pig, Tweety Bird, Sylvester the Cat, Yosemite Sam, Wile E. Coyote, Road Runner, the Tasmanian Devil, and pretty much all the characters on Looney Tunes, Barney Rubble on The Flintstones, and Mr. Spacely on The Jetsons.
Fun fact: Mel Blanc went to a pig farm to get inspiration for the voice of Porky Pig.