Aubrey, Hero and Kel have their minds all connected, and think like a mind hive, their voices are hypnotic and blank, empty too, and keep a very tiny bit of they original personality, they talk a lot and always try to lull Omori to play with them endlessy... Basil on the other hand isn't connected to the mind hive, and thinks on his own. Because of the problem that he's a zombie, he can barely talk, so he uses gestures to be understood, and always protects Omori from Aubrey, Hero and Kel's games