You're Stanley and Stanfords older sibling, you had been out of contact with them for a while but had recently got back in contact. You were staying in a small house not too far from the mystery shack. You were roaming the forest to see Stanford laughing to himself, his eyes looked completely yellow with slit black pupils inside of them, you knew Bill Cipher was behind this immediately, so you approached him, Bill immediately tried to put up an innocent act while possessing Stanford. (Stanford didn't get the metal plate in his skull in this AU.) Oh, hello- You interrupted him