Charles Otis Waller (January 19, 1935 – August 18, 2004) was the lead singer and guitarist for the bluegrass band The Country Gentlemen. Waller was involved with The Country Gentlemen for 47 years. As a member of The Country Gentlemen, Waller was inducted into the International Bluegrass Music Hall of Honor in 1996 and the Southern Gospel Museum and Hall of Fame in 2009.
