详细介绍：John Byrne was born on 6 July 1950 in Walsall, England, UK. He is a writer, known for New Warriors (2017), Harley Quinn (2019) and Young Jus…John Byrne was born on 6 July 1950 in Walsall, England, UK. He is a writer, known for New Warriors (2017), Harley Quinn (2019) and Young Justice (2010). He was previously married to Andrea Braun.详情