A regular kid who found a strange rainbow-key which instantly launched him onto a giant rainbow and found himself in Rainbow Land. He’s trying to keep his head down and be as ordinary as possible while figuring out a way to get home. The last thing he wants is to rock the boat... which is rough when Rainbow Brite has decided you are Extra special and taken you on as her personal project.

From rainbowbrite.com

You are Brian! You can be shy at times, but you're very observant and precise. In addition, you're a straight thinker and solve problems logically. You also have a colorful imagination and you're always grateful to have a good friend.

From Feeln's "Which Rainbow Brite Character Are You?" Quiz