This guide lists locations of Ogre-Faced Spider who will give you stickers for interacting with them.
Transition to the Ogre-Faced spider’s zone is at the bottom left of the screen in the water segment
Blow up the fake wall underwater with your lasers and you’ll be able to go down into the Ogre-Faced spider’s den. Talk to the Ogre-Faced spider 5 times and he’ll give you his sticker
There are other ways to access this zone but this is the most intentional way.