Erick Lee Purkhiser ( October 21 , 1946 â `` February 4 , 2009 ) , better known as Lux Interior , was an American singer and a founding member of punk band The Cramps . Erick Lee Purkhiser ( October 21 , 1946 â `` February 4 , 2009 ) , better known as Lux Interior , was an American singer and a founding member of the legendary garage punk band The Cramps from 1976 until his sudden death in February 2009 aged 62 .