Martian Manhunter (Justice League of America)
"As is common among telepaths, the Martian Manhunter is an intensely silent figure. Even in his darkest moments, his mood is ofted reflected only by the expression in his eyes. When he speaks, others listen. His accent is deep and indescribable. Possibly the most highly regarded by his JLA peers, he is a founding member of every incarnation of the team, an alien whose loyalty to his adopted world is beyond words. J'onn prefers to use his shape-changing powers to maintain several identities so he can move among the humans he admires so much. J'onn is the only Leaguer to whom Batman defers. Green Lantern is his favorite of the group."