The crossword solution for the term SKELETON HEAD is EXO. EXO is a South Korean-Chinese boy band formed in 2011 by SM Entertainment. The group consists of nine members: Xiumin, Suho, Lay, Baekhyun, Chen, Chanyeol, D.O., Kai, and Sehun. They are known for their unique music style, which combines elements of hip-hop, R&B, and EDM. EXO has released several albums and singles, including their debut album XOXO, which sold over one million copies in South Korea.