Does any one have an adult size barney costume or mascot?

wonderin if anyone has one of these for sale. thing is its gettin close to halloween and we were thinkin it would be cool if we could match.(i know lame suiting up for toddlers joy) our kids love barney so we are gonna try and get 3yr girl baby bob 18mos boy BJ i'll be mother goose and their daddy can be a barney but need help findin one