Boxy Boo’s kit is designed to surprise players, making his jumpscares some of the most frequent in the game:

: Using his springy legs, Boxy can perform massive leaps to bypass obstacles or land directly on a player. In-Game Lore & Context Boxy Boo | Poppy Playtime Wiki | Fandom

: The jumpscare is accompanied by a loud, high-pitched mechanical screech or roar. Leading up to the scare, survivors hear a music box tune that increases in speed and volume as Boxy Boo approaches. Abilities Leading to the Jumpscare