OMG! This is the funniest cosplay of ALL TIME! Bona Fide Flinstones rolling down the hill in their prehistoric car. This Flintstones cosplay video will have you reminiscing about the ghost of Halloween Past. Not only did they nail the costumes and the car, but what they do when they get to the bottom of the hill…. Definitely one of the funniest videos you will see today. Do you think it’s funny?