1-year-old roscoe. >> i just need the right human or humans to understand me >> reporter: and this sweetheart named knuckles the video caught the eye of nick park, who adopted the nine-year-old pitbull mix last year. >> i would like to give him a message and say, evan that's so cool what you're doing. you're finding homes for these dogs and the very least, you found knuckles his home. this is his forever home >> reporter: winning the award of the aspca's kid of the year >> and one day a young couple appeared -- >> it's great to have a kid like evan, who is out there raising awareness, telling the rest of the community there are these great dogs available for adoption and showing other kids you can make a difference. and he's really done a spectacular job doing that >> and evan wants to open his own rescue shelter one day and wants to be an aerospace engineer at nasa that's "nbc nightly news" for this saturday