We live in a world of sequels, remakes and adaptations, a world where the only truly original films coming out seem to be from the animation studios. Films like Brave, Rio and Wreck-It Ralph are the last original films that studios feel comfortable enough about to invest in.But does this tradition stretch all the way back to the very beginnings of animated features? We all recall the Disney back catalogue with reverence but are these films unique to the family-favorite animation studio? The answer is no. Here are the ten Disney animated films we were most surprised to discover were shameless rip-offs.