Christian David "Bic" Hayes (born 10 June 1964) is an English rock guitarist, singer and songwriter. Best known as the frontman of Dark Star and guitarist with Levitation, he has also released solo material as Mikrokosmos, which was produced by Tim Smith. Hayes explained that he was nicknamed Bic because he "just stopped eating for ages and people started saying I looked like a Bic biro. I had this phase when I thought eating was boring".