188 cm
Gene Simmons (born Chaim Witz; Hebrew: חיים ויץ [χaˈim ˈvits]; born August 25, 1949) is an American musician. Also known by his stage persona "The Demon", he was the bassist and co-lead singer of the hard rock band Kiss, which he co-founded with Paul Stanley, Ace Frehley and Peter Criss in the early 1970s until their retirement in 2023. Simmons was inducted into the Rock and Roll Hall of Fame in 2014 as a member of Kiss.
Source : Wikipedia