Will and Max Graf have grown up together as brothers, even though they are from opposite sides of the earth.
"When you are in trouble or something, he'll be there," Will said of Max.
"We were made the same way inside," Max said. "We just look smaller, that's all."
Watch the story Friday on "20/20" at 10 p.m. ET
Will and Max are dwarfs. Each is around 3 feet 7 inches tall.
They are 13-year-old students at Avonworth Middle School in Pittsburgh, where they blend in with their larger...Full Story