Nationality: Gran Mexico
Mars Ranking: #12
Age: 18
Height: 186 cm
Weight: 77 kg
Surgery Base: Harpy Eagle (Harpia Harpyja)
Eye color: gold
Blood type: A
Favorite food: pizza
Dislikes: Owners who don't tame their dogs, and those dogs
Birthdate: April 5 (Aries)
Talent: Catching photoshopped images on DVD covers, etc

Moved to his father's hometown in northern Gran Mexico at age 7, following his mother's death and met Marcos there.
Has greatly admire major leaguers ever since he saw one of their games with his parents. Worked as paper boy when he was 12 years old, but made only meager wages. Joined the Annex Project for Sheila and to get his American citizenship. Throws with his right hand and bats with his left

After receiving his M.O. Operation Alex gained the powers and abilities of the Harpy Eagle, that allows him to fly and makes his eyesight eight times stronger than humans and his upper-body muscles incredibly strong. Thanks to his great gripping strength Alex is able to throw things so fast that their impact on the target is like a bullet and thanks to his great eyesight he can throw things from impossible distances so that the enemy don't even see them coming.

(Source: Terra Formars Wikia)