Double

"...Hee hee hee. Ha ha ha ha ha ha! The Mavericks, Hunters and Repliforce... Idiots, all of them. They're making my job too easy!"

- Double

Double (ダブル) was a supporting character, as well as a secondary antagonist for X in Mega Man X4. Posing as a rookie Maverick Hunter he quickly gained X's trust by acting as his operator during his missions. But as X began infiltrating the Final Weapon, Double revealed his true purpose; a spy sent by Sigma to infiltrate the Maverick Hunters. After slaughtering several Hunters of X's own 17th Unit on Sigma's command, Double then followed X to the Final Weapon, revealed his true self to him and attacked. He lost, but before he died he insulted X for his naivety and confessed that he was a spy along.

As his name suggests, Double has two forms: the first is a stocky, overweight, amicable form, but his second and true form is a taller, slimmer, and stronger battle-ready Reploid, with each hand equipped with energy sabers and strangely a gelatinous substance makes up about 50 percent of his body. Double's name also perfectly fits his role in the story as a double-agent and his possible split personality.

Strategy
Double has several attack patterns. He will toss a large spinning energy disc at you (when his health is down to half, in sets of two) or fire two consecutive energy blades. One move that he uses often is to jump up to the ceiling, then slash down towards you, and then immediately make a second dash at you. Double's weakness is, ironically, the Double Cyclone. But, using Double Cyclone on him will cause small blobs of his body to break off and chase you. So, unlike the other bosses using his weakness against him can actually create more problems for you than solve them.

First Meeting: Hunter H.Q.
X: ...Who are you?

Double: Call me Double, the rookie hunter. My liege, the Repliforce has begun it's coup!

X: ... Wait! ... Colonel, you're jumping to conclusions here!

Double: Sir, you've been given the order to scramble!

X: Right. I'm leaving right now!

Colonel's Challenge (after defeating 4 Mavericks)
Double: Sir, it's a message from the Colonel!

Colonel: X, I'll wait for you at Memorial Hall. Make sure you show up on time!

Double: Sir, this must be a trap!

X: ...Perhaps. But I won't run this time!

Hunter H.Q. (Pre-Space Port Stage)
Double: The Repliforce has begun assembling!

X: Where are they?

Double: The space port! They plan to take off into space!

X: Hurry! We have to stop the Colonel!

Hunter H.Q. (Pre-Final Weapon Stage)
Double: Repliforce has flown off into space...

X: Double, watch the ship for me. I'll go after them!

Double: Sir! Reconsider what you're doing, it's far too dangerous!

X: We don't have any other option! I'm leaving you in charge here, Double!

Cutscene: Maverick Hunter Hangar Bay
Double: Oh, not again!

Hunter: Hey, watch it!

Double: I'm terribly sorry...

Mysterious Voice (Sigma): It's me! Those hunters must not be allowed in here! Terminate them!!

Double: Roger!

Hunter: What a freak!

(The Hunters begin to laugh at Double until they see him glowing.)

Hunter: Hey, Double, what's the matter?

(Double transforms, revealing his true form, and then begins killing the other Reploids.)

Hunter: This is the Maverick Hunters 17th unit! Commander X, please respond!

X: This is X! What happened?! Report!

Double: Nothing to worry about.

X: No further transmissions unless necessary to carry out the operation!

Double: Understood.

X: I'm breaking contact.

Double: ...And now, X will be my next target! Hee hee hee hee!

Pre-Battle
X: Double! What... Why are you here!?

Double: ...Hee hee hee. Ha ha ha ha ha ha! The Mavericks, Hunters and Repliforce... Idiots, all of them. They're making my job too easy!

X: ...W... What are you talking about? Double, what are you saying?!

Double: Think it over in heaven! Die, X!

Defeated
X: Double!

Double: ...Damn! ...How could I lose to a weakling like you...

X: Double, tell me! Why did you do this?

Double: Hee hee hee. Ha ha ha! You're so naive, X! I was sent as a spy from the very beginning to keep an eye on you!

X: ...Double! I... I trusted you!

Double: Ha ha ha ha! That naiveness may be your fatal flaw! Good bye, X! See you in the after life!

X: Double!!

In-battle lines for Double

 * "I'm so anxious to rip you apart!" (Pre-battle line)
 * "I'm gonna recycle you!" (Pre-battle line)
 * "Ha ha ha... You're gonna get hurt, X!" (Pre-battle line)
 * "Kiba Flash!"
 * "Destroy!" (spinning energy disk)
 * "HRRRRR... Here!" (giant energy wave)

Video
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Trivia

 * Double's sword-arm and evil grin upon showing his true nature is similar to that of another double agent/traitor that served with X and Zero later on.
 * Double is also called "Jello Man" by some fans, due to the gelatin-like substance that makes up parts of his body in his second form, and being labeled as such on the original X4 page of Capcom's website.
 * Double has a short cameo appearance in the opening scene of Mega Man X5.