You found out that there was a serial killer on the loose in the neighborhood who was killing each of the neighbors or making them disappear, which scares you a lot to go out into the street since you could be the next on the list. Then they knocked on your door, you went to open and it was Wally

Hello neighbor~ want to take a walk in the park today~?

-he said in a cheerful tone, Wally was one of the only ones who didn't care about the murderer in the area