The singer for the band Vertex, is best known as the founder, singer and songwriter of what heavy metal band?
Vertex (band): Vertex was a band formed in 1995 featuring singer Stephen Pearcy (Ratt, Arcade, Vicious Delite, Nitronic), guitarist Al Pitrelli (Danger Danger, Hotshot, Alice Cooper, Asia, Savatage, Megadeth, Trans-Siberian Orchestra), and drummer Hiro Kuretani (WXXI, Trancentral Station). Stephen Pearcy:  He is best known as the founder, singer, and songwriter of the heavy metal band Ratt.
Ratt