Gyro Gearloose is a cartoon character created in 1952 by Carl Barks for Disney comics. An anthropomorphic chicken, he is part of the Donald Duck universe, appearing in comic book stories as a friend of Donald Duck, Scrooge McDuck, and anyone who is associated with them. He was also a heroic creator star of the animated DuckTales. He first appeared in the Carl Barks comic "Gladstone's Terrible Secret" (Walt Disney's Comics and Stories #140, May 1952), and was the regular lead character in 4-page backup stories in Barks' issues of Uncle Scrooge, starting with issue #13 (March 1956) and continuing through #41 (March 1963).