Wiktionary
baddies
n. (plural of baddie English)
Wikipedia
Baddies
Baddies were a British high energy indie rock band formed in late 2007 and played through 2012. The Guardian selected them as Band of the Day for 16 October 2008 stating that Baddies had "gained a reputation as one of the most exciting new bands around, yada yada" and that they just might come up with a hit.
Usage examples of "baddies".
Gives you a chance to make a snap decision as to who are the goodies and who the baddies before taking sides.
Not the baddies he originally had in mind, of course, but then things have turned out differently than he thought they would.