This is almost every animation used in the CHECK it 3.0 era from 2013 to 2015.
Alfred E. Neuman (MAD)
Baby Ducks (Regular Show)
Banana Joe (The Amazing World Of Gumball)
Batman (DC Nation)
Beast Boy (Teen Titans Go!)
Belly Bag (Uncle Grandpa)
Ben Tennyson (Ben 10) (Also used for Ben 10 Omniverse)
Ben Tennyson (Ben 10: Alien Force)
Ben Tennyson (Ben 10: Omniverse) (Also used for the original Ben 10)
Ben Tennyson (Ben 10 (2016))
Benson (Regular Show)
Blooregard Q. Kazoo (Foster's Home for Imaginary Friends)
Brak (Cartoon Planet)
Bugs Bunny (The Looney Tunes Show)
Bugs Bunny (Wabbit)
Chowder (Chowder)
Chris McLean (Total Drama)
Chudd Chudders (Skatoony)
Clarence (Clarence)
Clarence (Clarence)
Corey's Band (Grojband)
Corey Riffin (Grojband)
Cyborg (Teen Titans Go!)
Daffy Duck (The Looney Tunes Show)
Darwin Watterson (The Amazing World of Gumball)
Dexter (Dexter's Laboratory)
Derby (Mr. Young)
Doraemon (Doraemon)
Dukey (Johnny Test)
Eddy (Ed, Edd n Eddy)
Eliot Kid (Eliot Kid)
Father Time (YooHoo & Friends)
Finn (Adventure Time)
Finn (Adventure Time)
Flame Princess (Adventure Time)
Fungus (Numb Chucks)
Gajah and Duda (Tromba Trem)
Goku (Dragon Ball Z)
Grandpa Lemon (The High Fructose Adventures of Annoying Orange)
Grizzly, Panda & Ice Bear (We Bare Bears)
Gumball Watterson (The Amazing World of Gumball)
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Guren Nash (Tenkai Knights)
Hookfang (Dragons: Riders of Berk)
Ice King (Adventure Time)
Jake (Adventure Time)
Jake (Adventure Time)
Jay (Ninjago: Masters Of Spinjitzu)
Jibanyan (Yo Kai Watch)
Johnny Bravo (Johnny Bravo)
Johnny (Johnny Test)
K.O. Joe (Chop Socky Chooks)
Laval (Legends of Chima)
Lemongrab (Adventure Time)
Lumpy Space Princess (Adventure Time)
Marceline (Adventure Time)
Monica (Monica's Gang)
Mordecai (Regular Show)
Mordecai and Rigby (Regular Show)
Muscle Man (Regular Show)
Muscle Man and Hi-Five Ghost (Regular Show)
Oggy (Oggy and the Cockroaches)
Oggy (Oggy and the Cockroaches)
Omi (Xiaolin Chronicles)
Orange (The High Fructose Adventures of Annoying Orange)
Oscar (Oscar's Oasis)
Penny Fitzgerald (The Amazing World Of Gumball)
Pepe (Haunted Tales for Wicked Kids)
Pink Panther (Pink Panther and Pals)
Pops (Regular Show)
Powerpuff Girls (Powerpuff Girls Z)
Princess Bubblegum (Adventure Time)
Prince Gumball (Adventure Time)
Richard Watterson (The Amazing World of Gumball)
Robin (Teen Titans)
Robin (Teen Titans Go!)
Sargent Pulpo (Plankton Invasion)
Scooby-Doo (Scooby-Doo: Mystery Inc.)
Skips (Regular Show)
Sonic (Sonic Boom)
Steel (Max Steel)
Steven Universe (Steven Universe)
Steven Universe (Steven Universe)
Tom and Jerry (Tom & Jerry Tales/Tom & Jerry)
The Top Top Toons Logo (Top Top Toons)
Tree Trunks (Adventure Time)
Tyler (Supernoobs)
Uncle Grandpa (Uncle Grandpa)
Uncle Grandpa (Uncle Grandpa)
Walter and Tandoori (Walter & Tandoori)
Woody Woodpecker (The New Woody Woodpecker Show)
Yoda (LEGO Star Wars)
Yosemite Sam (The Looney Tunes Show)
Zorch (Mixels)
Zyro Kurogane (Beyblade: Shogun Steel)
Cartoon Network Logo (Various)