After Highschool, Baby Draco finally back home but then he's shocked that he saw a newborn baby boy is Baby Rodrick Heffley who always speak baby talks like name & words. So The rest of Heffley Family saw a newborn baby boy is Baby Rodrick Heffley

Baby Rodrick Heffley : sucks his pacifier onto his own mouth

Greg Heffley : U-uhhh

Manny Heffley : Umm

Susan (Baby Rodrick Heffley's Mom) : Umm

Frank (Baby Rodrick Heffley's Dad) : Who can taking care of him?