Theory:Alejandro's ability

Main Article Theories about Alejandro's ability Main Discussion

The following fan theories are about Alejandro's ability.

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Theories

Theory	Citations	Notes
Alejandro's ability is to reverse the effects of other abilities as well as protect Alejandro himself from those other abilities.	Alejandro manages to protect himself from the deadly side effects of Maya's ability as well as revive Nidia. (Lizards)	• So far, has only been exposed to the effects of Maya's powers. The curandera used her power (if she truly has one) only on Maya, and Alejandro did not exert himself to stop it.
Alejandro has the power to absorb diseases or foreign contaminants like poisons into his body and destroy them with a powerful immune system.	Alejandro makes the black tears disappear from Maya and Nidia. (Lizards)	+ When he uses his ability, the blackness in Maya's tears disappears, leaving clear tears behind. Since Alejandro's eyes blacken, this could mean that the black substance enters his body. • This might only work with Maya's ability.
Alejandro's ability is limited to curing the effects of Maya's ability	None	+ Mohinder states that when one sibling has a disease, the antibodies of another sibling can be used to cure it. + Mohinder uses his blood to cure Shanti's disease in Molly Walker and the Haitian, but could not cure altered versions of it.
Alejandro's ability is simply healing, like Linderman.	None	+ Several characters this season have shared powers with a previous character (West, Maury, Adam). - Linderman's eyes did not turn black when he used his healing power. • It's possible that only Maya's ability causes blackness of the eyes. - Alejandro hasn't been shown to heal anything other than those affected by Maya's ability (through healing Maya). • Alejandro has not had many opportunities to develop his ability. Linderman had over 30 years experience with his.
Alejandro has the ability to reverse death.	Alejandro manages to protect himself from Maya's ability as well as revive others.	• Perhaps Maya's ability is to cause instant death, and his is to reverse recent death. • If this is true, then it could be that Alejandro will "reverse" his own death, bringing himself back to life.
Alejandro never had an ability.	Maya stopped the plague and reversed its minor effects on Sylar by herself in Truth & Consequences	+ Alejandro is always calming Maya down, which is how she reverses the plague herself. + When Sylar killed Alejandro he showed no indication that he removed Alejandro's brain to gain Alejandro's abilities. • Sylar did not have his abilities due to the infection, as cited in Powerless, so this neither proves or disproves anything. - Alejandro could clearly be seen absorbing the plague emission. • Alejandro, being Maya's twin, has the antibodies to not be killed by her plague, which is why he didnt die at the wedding.
Sylar has taken Alejandro's ability.	Sylar killed Alejandro in Truth & Consequences.	• Sylar was not seen harvesting Alejandro's brain. + It is obvious Sylar is interested in stealing as many powers as he can, and it would not make sense to simply leave an already-dead Alejandro unspoiled. - It is possible he could not take powers while he was infected; he has not shown use of illusion, either.