Main Characters Fionna Campbell 9 main appearances Cake 9 main appearances Simon Petrikov 9 main appearances Marshall Lee 6 main appearances Gary Prince 6 main appearances Scarab 6 main appearances Prismo 6 main appearances Starchy 1 main appearances Ice Thing 2 main appearances Fionna Lookalike 1 main appearances Burger 1 main appearances Prismo 1 1 main appearances Prismo 2 1 main appearances Prismo 3 1 main appearances Winter King (Simon Voice) 1 main appearances Marjoe Hellstrom 1 main appearances Miss Rabow 1 main appearances Gunter 1 main appearances Ice King 1 main appearances Pastry Fionna 1 main appearances Pup Guard 1 main appearances Monster Marshall 1 main appearances Mini Scarabs 1 main appearances Skater Z 1 main appearances Monster Gary 1 main appearances Ashley 1 main appearances
Recurring Guest Characters Ellis P 4 guest appearances Hunter 3 guest appearances Astrid 3 guest appearances Betty 3 guest appearances Queenie 2 guest appearances Starchy 1 guest appearances Additional Voices 2 guest appearances Additional Voices 2 guest appearances Additional Voices 2 guest appearances Additional Voices 2 guest appearances Young Marceline 2 guest appearances Princess Bubblegum 2 guest appearances Evil Choose Goose 2 guest appearances Finn 2 guest appearances Marceline 2 guest appearances Jake 2 guest appearances Additional Voices 2 guest appearances Additional Voices 2 guest appearances Additional Voices 2 guest appearances Additional Voices 2 guest appearances ⇤ « 1 2 3 4 5 6 7 » ⇥