Boxy Boo And Kissy Missy by Antiania on DeviantArt

Boxy Boo, Villains Wiki

Boxy Boo, Mob Wiki

Boxy Boo plush, the Poppy Playtime Chapter 3 plush

It's not a new character attacking Bron, those are Boxy Boo's padded claws. You can even hear their crank turning 3 times before and their jump scare sound as they attack Bron.

Boxy Boo by DJTundraIce -- Fur Affinity [dot] net

Huggy Wuggy Bullying Boxy Boo by Antiania on DeviantArt

Boxy boo Maid 😂❤ : r/PoppyPlaytime

Boxy Boo in other AUs by KumaDraws334 on DeviantArt

Boxy Boo Toy Cartoon Game Peripheral Dolls Red Robot Filled Plush Dolls Holiday Gift Collection Dolls

Boxy Boo Project Playtime 3