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 in Mega Man X4, as well as an antagonist. He quickly befriended X during his mission, 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 some Maverick Hunters in their headquarters, Double went after X inside the Final Weapon, and confronted him. He lost, and was destroyed.

As his name suggests, Double has two forms: the first is a short, overweight, amicable form, but his second and true form is a much taller, thinner and stronger battle-ready Reploid, with sabers within the top of his hands and a gelatin-like substance is present in his body. His name is also believed by some to signify that he is either a double agent or a double-crosser. Double's weakness is, ironically, the Double Cyclone.

Double has a short appearance in the opening scene of Mega Man X5.

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 his Jello-like appearance in his second form.

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