I'm going to have to go with Obi-Wan, not only because he's not a Mary Sue like Revan, but I seem to remember seeing somewhere that while Mace's 4-man team went after Palpatine, Kit Fisto remarked he'd feel more comfortable if Obi-Wan was with them. Given, he was probably underestimating Palpy, but it still shows how respected and powerful Obi was.
"There is no such thing as coincidence, only inevitability" - xxxHoLiC
"Justice? But I don't serve justice, Watson, I serve the truth." - Sherlock Holmes