My Epileptically Coloured Childhood Cartoons

So when I was younger I used to watch a cartoon called Jem. I did research on it a while ago and found out it was a cartoon made to promote a set of new toys that were being released. Either way, I adored Jem - it had 0% princess in it and it wasn't anime. Yeah - it's THAT old... shut up Even though I predominantly grew up on anime, mainly because Spain was importing what I presume was cheap cartoons from Japan as opposed to the US, I had some pretty staple western cartoons to look back on, one being X-men, Thundercats and the other being Jem, even if it didn't air for that long. I have really muddled memories of the cartoon, I was so young and so ADD without actually being ADD. But I mainly remember that Jem was the lead singer in a band - and she had magic earrings that changed her costume and appearance to whatever she wanted. She was like a punk rock Sailor Moon, on crack, and tights, and pink hair (ok - that's a more anime normal thing but whatever), and her boyfri...