Jeff Mangum and Spider One, are singers, of which nationality?
Spider One Michael David Cummings (born August 25, 1968), better known as Spider One, is an American singer, songwriter, rapper, record producer, and director. He is the founder and only consistent member of the nu metal band Powerman 5000 and the owner of Megatronic Records. He created the horror/black comedy mockumentary series "Death Valley", which aired on MTV for one season in 2011.
Trini Lopez Trinidad "Trini" López III (born May 15, 1937) is an American singer, guitarist, and actor. His first album included a version of "If I Had a Hammer", which earned a Golden Disc for him. Other hits included "Lemon Tree", "I'm Comin' Home, Cindy" and "Sally Was a Good Old Girl". He designed two guitars for the Gibson Guitar Corporation, which are now collectors’ items.