We're only three entries into this list, and we've already got two characters from the same movie! This time it's Russell from 'Up,' and it's intentional. This young man has embraced the role, right down to the costume.
We don't know if he's ever met up with the man who looks like Carl, but if that hasn't happened, someone needs to facilitate it immediately. Disney could make a live action version of the film. They're big on live-action remakes at the moment.