A band - the most popular one on LJ interests, last time I looked - but yes, I had the same initial reaction to the name.

I quoted a friend's intended diss, that MCR are just Queen gone goth. I much prefer this to the Sum 41 comparison, because as far as I'm concerned Sum 41 are to Blink 182 as McFly are to Busted, ie the inferior version of something that wasn't exactly essential to start with...