How does Barney's mouth move??

Question

I know the other dinosaurs have a movable mouth part that when they bounce their heads, the mouth goes up and down... but Barney's mouth moves by itself even though there is a guy inside using both arms. Is his mouth robotic?

Answer 1

barney used to be my idol...now...he creeps me out

i think it is robotic  :]

Answer 2

I think it's electronic, or they put it in digitally.

Answer 3

I love you, you love me, we're a happy family

Answer 4

It is robotic.

Answer 5

i'm sorry i'm not aloud to talk about Barney my therapist told me not to. [& yeah i think it is.]