David (all 5 versions), Jonathan (6/6 no SA), Abishai (both versions), Sibbechai (both versions) and Elhanan (both versions).
I believe that's all of them.
*edit* checked our test notes and found that Caleb is not included.
Joshua 15:14 says that Caleb "drove out" the descendants of Anak. It does not say that he killed them.