The Insane Knife Loving Quadruplets Hidden In The Mountain are the Filipino counterparts to the Delightful Children From Down the Lane and the Interesting Twins From Beneath The Mountain. They are four siblings living in a house stationed beneath Mount Apo, and have a strange affinity with knives, er, fake ones, because they aren't allowed by their parents to use real ones. They are also a bit wacko.
They appear in KND Operation: DELIGHTFUL as minor villains.
Mara David Edit
The firstborn quadruplet. She uses a fake butcher's knife.
Clara David Edit
The secondborn quadruplet. She uses a fake Higurashi no Koro Ni themed knife she got from an Anime Convention.
Matteo David Edit
The thirdborn quadruplet. He uses a plain fake kitchen knife with fake rust on it.
Pedro David Edit
The fourthborn quadruplet. He uses a fake hunting knife.