Co-founder of and bass guitarist for the progressive rock band Styx, the group known for the hit "Mr. Roboto."
He was born in Chicago, Illinois and is remembered as a sensitive child.
He wrote an autobiography called The Grand Illusion: Love, Lies, and My Life With Styx.
He founded Styx with his twin brother, John Panozzo.
Tommy Shaw was the bass guitarist for Styx.