User blog comment:Thailog/Ep. 202 "Earthlings" discussion/@comment-5046454-20120505224720/@comment-4928331-20120506003522

Those three are the least likely to be detected as Earthlings. One is a Martian, one is half-Kryptonian, one can change into local fauna. Plus SB and MM are powerhouses, and have the most experience, being founding members.