Papyrus: Bonetrousle by Man on the internet
Freddy: Mr. Fazbear by groundbreaking
Chara: Megalo strike back by zeebo
Chika: Chika song by groundbreaking
Frisk: Stronger that you(frisk ver.) by Starbeam
Bonnie: Bonnie song by groundbreaking
Sans: Sans happy song by TheGrinningKitten
Foxy: Noticed by Mandopony