User blog comment:Al the Emerald Toucanet/What Are the Angry Birds Ages?/@comment-26821492-20151016190059/@comment-26821492-20151023120040

Look here: https://www.angrybirds.com/blog/new-pics-from-the-ab-movie

It actaully says "Bubbles". Bubbles is confirmed, and even if he is not inflated at that state, it doesn't mean he can't.