Duncan, KG, and Kobe.
A few others to consider. I'm just throwing out some headliners from certain years.
1980- Big O, Jerry West, Jerry Lucas
1993- Dr. J, Walton, Issel, Murphy
2006- Barkley, Dominique, Dumars
2008 - Hakeem, Ewing, Dantley
2009 - Jordan, David Robinson, Stockton
2011- Rodman, Sabonis, K. Malone, Mullin, Gilmore
2016- Shaq, Iverson, Yao