There is more than one artist by this name. 1. A Philadelphia based musician who, along with drummer Eli Sklarsky, creates acoustic singer/songwriter music. Also billed as "Gero and Eli". 2. A Japanese singer who covers songs on Nico Nico Douga. You can use another tag げろ. 3. Gero (born: Gergely Nagy) is also a Hungarian DJ and an electronic musician with downtempo, deep house, jazzdance style. 4. A cold wave experimental post-noise repulsive-style band in Euskadi inspired by Joy Division