Shesta is the shortest of the Dragon Slayers. He has bowl-cut blonde hair, and blue eyes. He's the most efficient in a Guymelf and okay with his sword. He is always trying to protect Dilandu. Shesta first appears in episode 3.
Gatty has grayish hair and is one of the tallest Dragon Slayers. He usually delivers messages to Dilandu from the leaders of the Zaibach Empire. He's also the second in command of the Dragon Slayers. He's very quick in his Guymelf and is the fastest Dragon Slayer. Gatty first appears in episode 4. His name can also be spelled Gatti.
Miguel has brown hair and is also one of the tallest Dragon Slayers. He's strongly loyal to Dilandu, and is one of the most intelligent and observant of the Dragon Slayers. Miguel is captured by Van and Allen. He's taken to Fried where he falsely accuses Hitomi while under hypnosis. After he escapes, he's killed by Zongi. Miguel first appears in episode 9.
Dallet has long brown hair and is slightly vain. He's best when fighting as a group with the other Dragon Slayers. He first appears in episode 3. His name can also be spelled Dalet or Dalett.
About all we see of Guimel is his death. He first appears in episode 3.
Viole never appears in the anime, but Dilandu mentions him once.