The characters

Robyn and her classmate Mehb fall into an unknown place called the "Dark World" where they meet Spark, who informs them that they are heroes destined to save the world.

Deltarune and all rights belong to Toby Fox, etc

Robyn And Yona Return to The Dark world with Spark to find a new city hidden beneath the underworld.
Other Cast:
C. Round - Snowball (The Secret Life of Pets)
Clover - Nightmare Mangle (Five Nights at Freddy's 4)
Rouxls Kaard - Brute Boris (Bendy and The Ink Machine)
Tasque Manager - Whisk (Sunset Paradise)
Mauswheel - The Chipmunks (Alvin and The Chipmunks)
Werewire - Cerberus (100% Wolf)
Werewerewire - Cujo
Plugboy - Fummels (Extinct)