Dragidorah

Dragidorah (ドラギドラ, Doragidora) is the Crimson Lord to whom Ryu Yamagami is bound. His true name is "The Dragon King of the Festival" (祭りの竜王, Matsuri no ryūō) and The color of his flames is "reddish-orange."

Appearance
Dragidorah expresses his will through a Divine Vessel as the form of the Advent Deck, which takes the form as a deck holder when he is under Ryu's contract with the Red gem.

His First Half is a winged dragon with clawed wings and feet, a long neck, slender body, and a long, sharp horn on the end of the snout. He has small spikes along his back.

His Second Half is a version of the red mechanical Japanese dragon.

His Third Half is the same version as the second half but evolved into a motorcycle with longer horns, shoulder blades, and a longer tail.

His Fourth Form is a large, three-headed, wyvern-like kaiju with two large wings and two tails but he shoots only lightning.

His Final Form (True Form) is a reptilian humanoid dragon who has two large clawed wings on his back and clawed feet, a long neck, slender body but his head is the appearance as the red Japanese Dragon with longer horns on his sides and longer, sharper horns on the end of the snout. It also has the silver chest armor with a blue gem in the middle center and has the long tail with the blade on the tip.