Alright, I'm gonna try categorizing these characters into the traditional Incredibox sound categories, one character at a time...
- Kedrick Lamar: Voice
- Mango: Voice
- Bluumobile: Voice + Melody
- David: Has lyrics like a Voice, but I think it could also work as an Effect, like Enigmatic from Incredibox V4.
- Siren: Effect
- Worm: Beat
- Crowbar: Effect
- Raldi (Baldi with a knife instead of a ruler): Effect/Voice
- Mario Gangnam Style: Melody
- garou: Effect
- Wega: Effect/Voice
- Skibidi Polo ft. Quagmire Toilet: Voice with a Melody behind it?
- Stickman: Effect
- Trogdor: Melody
- Lucy('s Pregnancy): Voice
- Kevin (yes, that's his name): Voice/Melody/Effect with the punch SFX?
- SANS is a melody.
- Tweaking Boss: Voice
- Kung Pow: Voice
- Man Face Polo: Effect