Boo

My conversation with Dawson:
Me: Where's Dada?
Daws: Dada

Me: Where's Mama?
Daws: Mama

Me: Where's Isaac?
Daws: Eye-ack

Me: Where's Bubba?
Daws: Bubba

Me: Where's Dawson?
Daws: Boo

*My thoughts: Why is he calling himself boo?*

Me: Where's Dawson?
Daws: Boo
I finally got it!