i've seen this before...
oh yeah
"Hey sonic how's your girlfriend?"
"I don't have a girlfriend"
"Hehe just reminding you"
"h o w s y o u r d a d?"

o h y e a h

heh

Not sure what Dust hallucinations of pap or whatever is called-
And Guilt!Night is passives ghost that Dream hallucinates similar to Dust
i guess-

Um, Dream, I don't think that's a good idea-

Dream: H o w i s Y O U R B r o t h e r.

Taki: Dream, you better stop.