Blondin et Cirage.

Blondin et Cirage (Blondin and Cirage, literally Blondy and Shoe polish) is a Belgian humoristic adventure comic strip by Jijé created in 1939 for the Catholic children's magazine Petits Belges. The comic was also published in its Flemish counterpart Zonneland, initially under the name Wietje en Krol, later as Blondie en Blinkie. It stars two boys, Blondin, who is white, and Cirage, who is black.