The large muscle mass of the Organization, he's silent and rather distant from most. He did help save Ashoka's life during the first war, and openly supports the efforts against Kronos, so he's trustworthy, but then again, you know the saying, its always the quiet ones; Thomas
Lexaeus is number 5 in the organization, a silent wielder of the earth and a might axe blade.
Appearing in 10 new keys, he quickly defeated Ashoka but instead of killing her helped her, as he didn't want to serve sidious. Angered Sidious sent a Blizzard and Volcanic lord to attack them, which killed Lexaeus, but not before he gave Ashoka the Muddy Axeblade keyblade. He now exists in Omnimation