The Gentlemen were simply brilliant - the way they applauded each other on a job well done, was creepy yet hilarious. Possibly the best villains in any show, period.
If we are more looking at major story arc baddies, then sure - Angelus was right up there - but once he went his own way, you sit of forgot about him. While she was sometimes maligned, I particularly liked Glory. I thought she had a great prescence, was sassy, and gave them a challenge unlike anything before, which was so powerful, only the ultimate sacrifice truly brought her down..
If we are more looking at major story arc baddies, then sure - Angelus was right up there - but once he went his own way, you sit of forgot about him. While she was sometimes maligned, I particularly liked Glory. I thought she had a great prescence, was sassy, and gave them a challenge unlike anything before, which was so powerful, only the ultimate sacrifice truly brought her down..