Eric Wagner was an American heavy metal singer, best known for his work with doom metal band Trouble.

Trouble is an American doom metal band from Aurora, Illinois, formed in 1981. They are often considered one of the pioneers of doom metal, and have been referred to as one of the genre's "big four" alongside Candlemass, Pentagram and Saint Vitus. The band created a distinct style, taking influences of the British heavy metal bands Black Sabbath and Judas Priest, and psychedelic rock of the 1960s.