Who knew Barney the Dinosaur could be so scary? Darby Risner, a teen from Trussville, Alabama, thought it would be funny to put on the head of the beloved purple dinosaur and sneak up on her friends.

Darby Risner had worn the Barney head before, in seventh grade for a character dress-up day at school, back when the fuzzy purple dinosaur costume still had its full matching suit, before the arms on ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Have a Barney costume lying around? Think ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (CNN) — Have a Barney costume lying around?

Darby Risner had worn the Barney head before, in seventh grade for a character dress-up day at school, back when the fuzzy purple dinosaur costume still had its full matching suit, before the arms on ...