Main characters:

@Sel499 /@Poley64 - Garfield

@TaeYai - Odie

@DaRealMemeCentralLol - Jon Abruckles

@SavaOnline - Nermal

@tooyo1234 - Arlene

WisdomTheFunkyBoi - Pooky

@YvonXD - Liz Wilson

Supporting Characters:

@carmos9 - Squeak

@Somefnalluigimomentbruh - Binky The Clown

@Kholey69 - Herman Post

@DaRealFlexSentralLol - Lyman

@Polina74 /Genderbend Poley/Poley's Sister - Irma

Polefield and Friends:

@RickyDoesStuff - Al Swindler

@boris-the-wolf-bear-official, @Braixen-official and @DaylenTvGaming - Buddy Bear

@r9ostdkgvuusf0vd9k - Madman Murray

@SSO - Irving Burnside

@dogtroid - Cactus Jake

@Skyler20089 - Penelope Pussycat

@RealSpr6 - Floyd

Various GJ users: The Singing Ants

US Acres:

@Adonis_Stickman - Orson Pig

@Ur_Local_Dumbass - Booker

@CatBeanieCb - Wade Duck

@MrTopHatty - Roy Rooster

@ELEANOR_THE_HEDGEHOG_dead - Lanolin Sheep

@sonicfan2 - Bo Sheep

@Cargo_Brothers - Sheldon

@nightmare_mickmick - Cody

@Egor_The_Electric_Human1991 - Blue

@NateTinBust44, @ELLA_MARIE_FNAF and @CringeIdiotBreadFace - The Worms (Filbert, Estelle and Willy)

The Polefield Show:

@DeafPlayer - Vito

@goodra-pog - Eddie Gourmand

@parti15567 - Mama Meany

@Itsumi-Peppered - Harry

@DaRealMemeSentralLol - Angel

@YumiGaming_ and @AxelTheSonicFan - Pete and Al

@TheTwistedCraft and @Du-Jeng-ong - Mama Meany's Assistant

Movie:

@ZaulBarraca - Happy Chapman

@TongKui - Lord Dagris