Zachary Dean "Zach Herron (born May 27, 2001) isan American singer-songwriter and 1/5 of the band Why Don't We. He is the youngest member. Date of Birth May 27, 2001Height: 5 ft 8 in or 173 cmWeight: 60-62kg Zodiac sign: GeminiHair Color:Dark BrownEye Color:Dark BrownAge :22