Gaoh

"I will devour everything!"

- Gaoh's Phrase

Kamen Rider Gaoh (仮面ライダーガオウ (牙王)) is a fictional character appearing in Kamen Rider Den-O. He is the main villain in Kamen Rider Den-O's first movie, Kamen Rider Den-O: I'm Born!.

Gaoh
Gaoh (牙王) is a thief-king who targets Time Trains and a renegade Kamen Rider who wishes to take over all of space-time by obtaining the legendary GaohLiner to destroy all time as he was fed up with it. He and his Imagin followers took camp at May 2000 to await his plan to come to fruition, by sending the Molech Imagin to 2007 to set the pieces up.

All Kamen Rider: Rider Generation 2
Gaoh appears as a monster in the video game All Kamen Rider: Rider Generation 2.

Kamen Rider: Battride War II
Gaoh will appears as a one of movie Kamen Riders in Kamen Rider: Battride War II. Hiroyuki Watanabe also reprises his role.

Gaoh Form
"Gaoh Form!"

- Transformation announcement

Kamen Rider Gaoh is the only Kamen Rider in Kamen Rider Den-O to only have one form, called Gaoh Form (ガオウフォーム) and no Imagin partner (similar to Zeronos Altair Form). It is visually based on a crocodile and is similar to Den-O Sword Form. Upon transforming, Gaoh says "I will devour everything!" (全員、俺が喰ってやる!).
 * Height: 198cm
 * Weight: 102kg
 * Punching power: 7t
 * Kicking power: 6t
 * Maximum Jump Height: 25m
 * Maximum Running Speed: 100m/6.2s

Device

 * Gaoh Belt: Transformation belt
 * Rider Pass: A device to scan on the belt

Weapon

 * GaoGasher: Personal weapon

Vehicle

 * GaohLiner: Gaoh's personal train
 * GaohStriker: Gaoh's Rider Machine

Amadum
Amadum, the ruler of the world within the Magic Stone with a penchant for dressing as past villains fought by Kamen Riders, appears in Gaoh's costume in Neverending Story.

Portrayal
Gaoh is portrayed by Hiroyuki Watanabe (渡辺 裕之). He previously played Akio Ishimuro, the commander of XIG, in Ultraman Gaia, and Taiga Saejima in GARO. As Kamen Rider Gaoh, his suit actor was Yoshifumi Oshikawa (押川 善文).
 * Watanabe, at 51, was the oldest individual to portray a Kamen Rider during the time of filming until Takanori Jinnai, at 54, was casted to be Kamen Rider Sorcerer, the villain of Kamen Rider Wizard in Magic Land.