Which of the following has a twin brother who plays doubles together: Gigi Fernández or Mike Bryan?
Gigi Fernández Beatriz "Gigi" Fernández (born February 22, 1964) is a former professional tennis player. She turned professional in 1983 and is the first Puerto-Rican-born athlete to win a Gold Medal, and the first to be inducted into the International Tennis Hall of Fame.
Joseph Marquez Joseph Marquez (born December 10, 1991), known by his gamertag Mango (sometimes MaNg0 or Mang0), is a professional competitor in "Super Smash Bros. Melee", a crossover fighting game published by Nintendo for the GameCube in 2001. A native of Norwalk, California, Marquez is part of the Cloud9 esports team. He primarily plays as Fox and Falco, although he began his competitive career as a Jigglypuff main. Marquez is considered one of the dominant "Five Gods" of "Melee", along with Juan "Hungrybox" Debiedma, Adam "Armada" Lindgren, Kevin "PPMD" Nanney, and Jason "Mew2King" Zimmerman, and is viewed by some as "Melee's" greatest all-time player. Marquez is known for his strong mental game and ability to adapt.