Big Bird used to clearly be the "main" or primary point-of-view character. He behaved somewhat older than the lower range of the target audience and so was a good aspirational, but not unrelatably-old, character for them.
Then Elmo became highly bankable (Tickle Me Elmo) and they leaned hard on him. Elmo is... not as good for modeling behavior and interactions.
Then Elmo became highly bankable (Tickle Me Elmo) and they leaned hard on him. Elmo is... not as good for modeling behavior and interactions.