Cat Indy is now riding a monster truck on a treadmill. It seems that learning how to walk on a treadmill was the easy part. This is definitely the ultimate and funniest cat challenge. The funny Cat is great Riding A Monster Truck On A Treadmill. That is original. The cat is interested in the movements. Watch the cat having a lot of fun with its toys. This is a feline genius. This great cat is certainly remarkably intelligent.