He is faster than a speeding stroller, more adorable than a kitten, and able to get a stranger's attention with a single courtesy. This is America's latest superhero -- and the only superhero with the power to feed the homeless. By day, Austin Perine is a mild-mannered 4-year-old from Birmingham, Alabama. But once a week, he turns into this alter ego: a superhero set on feeding as many homeless people as possible. He likes to go by the name "President Austin."