Fictional characters introduced in 1907

The Cisco Kid is a fictional character found in numerous film, radio, television and comic book series based on the fictional Western character created by O. Henry in his 1907 short story "The Caballero's Way", published in Everybody's Magazine, vol. 17 (July 1907), as well as in the collection Heart of the West (1907). Originally a murderous criminal in O. Henry's story, the Kid was depicted as a heroic Mexican caballero in later film, radio, and television adaptations.

Billina is a fictional character in the classic children's series of Oz books by American author L. Frank Baum. She is introduced in Ozma of Oz (1907).

Tik-Tok is a fictional "mechanical man" from the Oz books by American author L. Frank Baum. He has been termed "the prototype robot", and is widely considered to be one of the first robots to appear in modern literature, though the term "Robot" was not used until the 1920s, in the play R.U.R.

The Nome King is a fictional character created by American author L. Frank Baum, introduced in the 1907 book Ozma of Oz. The Nome King recurs in many of the Oz novels, being the most frequent antagonist in Baum's book series.

Tom Merry is the principal character in the "St Jim's" stories which appeared in the boy's weekly paper, The Gem, from 1907 to 1939. The stories were all written using the pen-name of Martin Clifford, the majority by Charles Hamilton who was more widely known as Frank Richards, the creator of Billy Bunter.

Joseph Rouletabille is a fictional character created by Gaston Leroux, a French writer and journalist. Rouletabille is an amateur sleuth featured in several novels and other works, often presented as a more capable thinker than the police.