Playable chararacters:

@Sel499 /@Poley64 - Peppino

@DaRealMemeCentralLol - Gustavo

@BrazilianIShowSpeed - Brick

NPC:

@NonsenseNH - Mr Stick

@tooyo1234 - Granny Pizza

Upcoming Playable character:

@Adonis_Stickman - Pepperman

@BonkersFace - The Vigilante

@TaeYai - The Noise

@The_Speed_Guy1991 - Snick

Other chars:

@X_From_Sonic_EXE - Mort

@Xander2907 - Pillar John/John Ghost

@WisdomTheFunkyBoi - Gerome

@Tsuraran - Noisette

@VictorCuddlesTheGuy476 - John E. Cheese

@ColtonDaCat and @elements126456 - Peddito and the Doise

@MinionAppleBanana , @Amalgama666 , @Regalito , @darkness_Protogen, @dogtroid - Toppin Monsters (Cheese, Mushroom, Sausage, Tomato and Pinapple)

@Da_Treino - Dougie Jones/Pizzard

@Radrioknight - Peshino

@Real_Saw_Yay_im_a_tool_bfb - Pizzamancer

@TheGoldenSuperior - Mr. Orange

@FUNNYEXE - Priest/Exorcist

Bosses:

@Adonis_Stickman - Pepperman

@BonkersFace - The Vigilante

@TaeYai - The Noise

@YvonXD - Fake Peppino

@ZaulBarraca - Pizzahead/Pizza Boy

@Boris-the-wolf-bear - Pizzaface

Enemies:

@ege7agr8hrg - Cheeseslime

@ZackAnimator - Forknight

@Frank_thy_Flower - Swedish Monkey

@Otus_Maximus_2 - Mini John

@magicanchor - Ninja Slice

@Tongkui - Pepperoni Goblin/Pepperoni Goblin Bat

@coolboiissupercool - Flying Anchovy

@YumiGaming_ - Weenie

@DrGolden - Pizza Slug

@goofyahhblueberry - Bad Rat

@Bijipl3r_ - Patroller

@Mr_Mysterious - Pencer

@SSO - Pizza Box Goblin/Cannon Pizza Goblin

@ausernamelmao - Peppibot

@Zezo_The_Dependable - Shrimp Thug

@ScaryBoi - Peasanto

@Never-Back/@Itsumi-Peppered - Eggplantmobile

@AxelTheSonicFan - Potato Farmer

@YourLocalFiveSider - Kentucky Kenny/Kentucky Bomber

@RickyDoesStuff - Fake Santa

@DeafPlayer - Greaseball

@Undying3215 - Ghost King

@LoisTheUser14353 - Mr. Pinch

@MemesFunny - Trash Pan

@FNaF_Master118 - Tribe Cheese

@AntonioDaviMarquesdeSouza - Pineacool

@DaRealFlexSentralLol - Pickle

@Soulzy__ - Noisey

@Xvonlol - Cardboard Tank

@Kholey69 - Pizza Soldier

@DaRealTestAlt - Clownmato

@Poncelucio (Tanner and Matie) - Ghostknight

@Kasandryx - Flying Patroller

SMGOo942 - Golf Demon

@Emmalar - Burger Golfer

@Braixen-official - Pizzice

@DaylenTvGaming - Snowman

@YourAvreageAnonymous - Spit Cheese

@ColRun1613 - Bandito Chicken

@AidenSucksAtLife - Gabaghoul

@Human_Mr - Treasure Chest Guy

@MaximusTheShoosh - U.F.Olive/Olive Trooper

@Thevancefromthefuture502 - Ranch Shooter

@Septic_Girl_Creates_210 - Noise Goblin

@Malrat_ - Eletric Potato

@jakey_boi - Mushroom Ghost

@BBBGaming - Hamkuff

@TheHasanGamer - Box Stamper

@TheMaskedChris - Big Cheese

@Captain_Galaxy - Giant Slime

@-Springboi- - Captain Pizza Goblin

@NoahReal - Piraneapple

@Killswitch_ - Grabbie Hand

Zaul's fake ver of me - Peppino Clone

Various GJ users - Other characters in Pizza Tower