* Victor Frederick Moore (1876-1943) was an American actor best known for his comedic roles in Broadway productions and films during the early to mid-20th century.
* Jack Black (born 1969) is a contemporary American actor, comedian, and musician known for his energetic and often comedic roles in films like "School of Rock," "Kung Fu Panda," and "Jumanji."
While they share a similar last name, they are not related.