Well in KOF 97 there was the New Face Orochi team of Yashiro, Chris, and Shermie who were 3 of the heavenly kings to the Orochi Boss.
Then in KOF 2001 there was the team of K9999, Foxy, Kula, and Angel who were the clones of Igniz. So in a way, they were kind of the "boss team" of 2001.
Now...