There was an animated series that ran on Nickelodeon, a popular US kids' channel in the 90's, so I'd imagine that many Americans (like myself) are familiar with

There was an animated series that ran on Nickelodeon, a popular US kids' channel in the 90's, so I'd imagine that many Americans (like myself) are familiar with it for that reason. It also got me to read the comics which then lead to some questions about why my local library didn't carry certain ones.