Board Thread:Character Discussion/@comment-24508910-20131208160546/@comment-4794476-20131215223010

Rovio tried to make it obvious on what they were saying, if suddenly the characters talked it would seem really weird. Most likely the reason why Rovio made it more actions and randomized noises. Good assumption, but sometimes, like in "Jingle Yells", where the Corporal Pig says Ho, ho, ho! they say real words.