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- "Took you too long to notice!"
- ―Vannain's first words[src]

Vannain's ability
Vannain (ヴァンナイン Vannain) is one of Space Empire Zangyack's Action Commanders.
Contents
History
Gokaiger
He is an Action Commander who can touch foreheads with another person or thing to assume that other's form. Used by Warz and his generals to put an end to the interference of the space pirates for good, he kidnapped Luka Millfy's old friend Cain and assumedhis form in order to trick the yellow pirate by bribing the Sugormin with Zagin. After luring Luka, he captured her and assumed her form to infiltrate the Gokai Galleon. Joining the Gokaigers during dinner, he later planted explosive charges across the ship while they were asleep. Later, Vannain detonated the charges, seemingly destroying the Gokai Galleon.
Little did Vannain know, the Gokaigers easily discovered that Vannin was an imposter, having observed him eating broccoli while in Luka's form, whereas the real Luka hated broccoli. After deactivating the bombs he planted, they had Fūraimaru use his illusion technique to stage their ship's explosion to deceive him and follow him to Luka just before the Action Commander could shoot her and Cain dead. After his Gormin, are dealt with. Vannain shifts into Gokai Yellow while fighting the real one, and then assumed Gokai Silver's form. The Gokaigers were confused as to which one was which, but Luka had an idea. The Gokaigers changed into the Megarangers, with the real Gokai Silver becoming MegaSilver, leaving Vannain exposed as the fake. He is then blasted by the GokaiGalleon Buster's Red Charge Rising Strike.
Grown by Insarn, Vannain tries to overwhelm GokaiOh and Goujyujin with sneak attacks as a building before being ousted for having a heat signature (something buildings don't have) and is crippled by GoZyuJin, then destroyed by Hurricane GokaiOh. TV STORY-Dream Comes True
Super Hero Taisen
He later appeared as one of the many monsters in the Dai-Zangyack army, which eventually fought against an army of Super Sentai and Kamen Riders. He is seen fighting Battle France. TV STORY-Kamen Rider × Super Sentai: Super Hero Taisen
Personality
- Vannain was originally an alien with an organ that allowed him to shape-shift freely, blend into surroundings, and toy with opponents. Insarn enhanced him by giving him the Repli-Organ.
- He was in charge of "Operation Pirate Elimination via Gokai Yellow Masquerade" (ゴーカイイエロー成り済まし海賊排除作戦 Gōkaiierō Narisumashi Kaizoku Haijo Sakusen).
Forms

Vannain as Cain (right) next to the real Cain (left).
Vannain first assumed the form of Luka's old friend, Cain, to lure her, while holding the real Cain prisoner.

Vannain as Luka, eating broccoli.
Vannain assumes Luka's form to trick the Gokaigers after his plan to capture her succeeds. It was exposed due to a fallacy in this form (He ate broccoli which the real Luka couldn't stand)

Gokai Yellow
While fighting Luka's Gokaiger alter ego, Gokai Yellow, he briefly assumed this form as well.
Arsenal
- Gokai Buckle
- Gokai Sabre
- Gokai Gun

Two Gokai Yellows.

Gokai Silver
After changing into Gokai Yellow, he assumed Gokai Silver's form. It was exposed due to the real Gokai Silver using a Gokai Change, something the fake one could not copy.
Arsenal
- Gokai Buckle
- Gokai Spear
Behind the Scenes
Portrayal
- He is voiced by Kōsuke Toriumi (鳥海 浩輔 Toriumi Kōsuke).
Design
- He was designed by Yasushi Nirasawa.
- His design is a combination of a hammerhead shark and a manta ray.
Concept Art
Etymology
- His name is a reference to Bannai Tarao, a fictional Japanese detective that could take on different faces.
Notes
- Vannain was not adapted for Power Rangers Super Megaforce.