The term 'Skelton Character' refers to two characters from the early 20th century, Clem and HOBO. Clem was a character created by cartoonist Bud Fisher in 1907 for his comic strip Mutt and Jeff. He was a short, balding man who was often seen as a sidekick to the main character, Mutt. HOBO was a character created by cartoonist George Herriman in 1913 for his comic strip Krazy Kat. He was a homeless vagabond who was often seen as a foil to the main character, Krazy Kat. Both characters were popular in their respective strips and remain iconic figures in the history of comics.