Pillowmint Butler / Marshmallow Kid / Gnome (voice)
Flame Princess (voice)
Jake (voice)
Cookie Guy / Ron James / Dr. Donut / Flame Guard / Cinnamon Bun / Mr. Creampuff (voice)
Ice King / Magic Man (voice)
Abracadaniel / Nurse Poundcake / Gumball Guardian (voice)
Marceline (voice)
Cuber (voice)
Earl of Lemongrab (voice)
Finn (voice)
Princess Bubblegum (voice)
Lumpy Space Princess (voice)
BMO (voice)