Baby Talking Tattletail Is From The Game Tattletail.
"Mama Hates You..."
"Give Me A Treat!"
"Me Tattletail, Me Love You"
"Shut The Door!"
(he also have some other quotes but i'm too lazy to add them)
Tattletail Comes Into Your Office, Telling You To Give Him A Treat And/Or Brush Him, If You Do, He'll Leave, If You Don't He'll Bring Mama Tattletail In There.