Define Charles J. Guiteau Meaning

Charles J. Guiteau
the guy who killed the president that nobody cares about (james a. garfield)
he made a really bad speech and thought that it made garfield won so he kept bugging the secretary of state. the secretary of state said no so charles got really mad and shot the president

guy: did you know james a garfield was killed by charles j. guiteau?
guy 2: whos james a garfield?
By Allx