Hundred Dragons Ladon (百頭竜のラドン, Hyakutōryū no Radon) is the commander of the other Giants sons of Typhon.
Hurts badly Mei and uses it as bait in a trap to draw the other riders. Then able to kill Nicole with a surprise attack. In mythology, Ladon the dragon guardian of the Garden of the Hesperides, which was later transformed into a constellation, precisely to Shiryu. His shot is an illusion that destroys the opponent's mind, like the Phantom Devil. But this does unfortunately not enough to defeat Shiryu.
- Poliorkia (ポリオルキア, Poriorukia, greek for Siege)